# A073434 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 11 5 23 6 41 7 53 8 83 9 131 10 233 11 239 12 251 13 359 14 443 15 491 16 509 17 641 18 719 19 743 20 761 21 809 22 953 23 1019 24 1031 25 1103 26 1451 27 1511 28 1559 29 1583 30 1733 31 1889 32 1901 33 1931 34 1973 35 2063 36 2069 37 2129 38 2273 39 2351 40 2543 41 2549 42 2693 43 2753 44 2819 45 2903 46 2939 47 2963 48 2969