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 2022-04-09, 20:14 #1 ATH Einyen     Dec 2003 Denmark 64048 Posts OEIS Goldbach sequences Just noticed these 2 sequences related to the Goldbach conjecture had 67 and 69 members, but the 2 remaining values in A025019 are easily calculated from the last 2 values of A025018: 025018 and 025019 http://oeis.org/A025018/b025018.txt http://oeis.org/A025019/b025019.txt The 2 missing values in A025019: 68 9629 69 9781 since: 2795935116574469638 = 9629 + 2795935116574460009 (both prime) 3325581707333960528 = 9781 + 3325581707333950747 (both prime) Code: A025019 A025018 1 2 1 4 2 3 2 6 3 5 3 12 4 7 4 30 5 19 5 98 6 23 6 220 7 31 7 308 8 47 8 556 9 73 9 992 10 103 10 2642 11 139 11 5372 12 173 12 7426 13 211 13 43532 14 233 14 54244 15 293 15 63274 16 313 16 113672 17 331 17 128168 18 359 18 194428 19 383 19 194470 20 389 20 413572 21 523 21 503222 22 601 22 1077422 23 727 23 3526958 24 751 24 3807404 25 829 25 10759922 26 929 26 24106882 27 997 27 27789878 28 1039 28 37998938 29 1093 29 60119912 30 1163 30 113632822 31 1321 31 187852862 32 1427 32 335070838 33 1583 33 419911924 34 1789 34 721013438 35 1861 35 1847133842 36 1877 36 7473202036 37 1879 37 11001080372 38 2029 38 12703943222 39 2089 39 21248558888 40 2803 40 35884080836 41 3061 41 105963812462 42 3163 42 244885595672 43 3457 43 599533546358 44 3463 44 3132059294006 45 3529 45 3620821173302 46 3613 46 4438327672994 47 3769 47 5320503815888 48 3917 48 8342945544436 49 4003 49 10591605900482 50 4027 50 12982270197518 51 4057 51 15197900994218 52 4327 52 28998050650046 53 4519 53 46878442766282 54 4909 54 76903574497118 55 5077 55 184162477860248 56 5209 56 217361316706568 57 5569 57 389965026819938 58 6469 58 1047610575836828 59 6961 59 6253262345930828 60 7559 60 24925556008175266 61 7753 61 31284177910528922 62 8443 62 121005022304007026 63 8501 63 255329126688555994 64 8933 64 258549426916149682 65 8941 65 555274351556750822 66 9161 66 887123803077837868 67 9341 67 906030579562279642 68 9629 68 2795935116574469638 69 9781 69 3325581707333960528 Last fiddled with by ATH on 2022-04-09 at 20:24

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