# A098485 (b-file synthesized from sequence entry) 1 1 2 4 3 6 4 9 5 20 6 48 7 16 8 42 9 132 10 419 11 25 12 72 13 256 14 973 15 3682 16 36 17 110 18 420 19 1747 20 7484 21 31992 22 49 23 156 24 624 25 2741 26 12562 27 58620 28 273556 29 64 30 210 31 868 32 3955 33 18916 34 92912 35 462104 36 2927505 37 81 38 272 39 1152 40 5389 41 26546 42 134868 43 697836 44 3644935 45 19082018