# A208744 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 1 5 3 6 9 7 1 8 4 9 18 10 52 11 1 12 5 13 30 14 130 15 375 16 1 17 6 18 45 19 260 20 1125 21 3246 22 1 23 7 24 63 25 455 26 2625 27 11361 28 32781 29 1 30 8 31 84 32 728 33 5250 34 30296 35 131124 36 378344 37 1 38 9 39 108 40 1092 41 9450 42 68166 43 393372 44 1702548 45 4912515 46 1 47 10 48 135 49 1560 50 15750 51 136332 52 983430 53 5675160 54 24562575 55 70872610