# A006208 (b-file synthesized from sequence entry) 1 1 2 1 3 0 4 1 5 0 6 2 7 1 8 3 9 2 10 6 11 4 12 9 13 8 14 18 15 16 16 32 17 32 18 61 19 64 20 115 21 128 22 224 23 258 24 431 25 520 26 850 27 1050 28 1673 29 2128 30 3328 31 4320 32 6649 33 8788 34 13366 35 17920 36 26957 37 36610 38 54634 39 74932 40 111057 41 153656 42 226514 43 315616 44 463243 45 649334 46 949823 47 1337984 48 1951760