# A071949 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 1 4 4 5 10 6 1 7 6 8 24 9 66 10 1 11 8 12 42 13 172 14 498 15 1 16 10 17 64 18 326 19 1360 20 4066 21 1 22 12 23 90 24 536 25 2706 26 11444 27 34970 28 1 29 14 30 120 31 810 32 4672 33 23526 34 100520 35 312066 36 1 37 16 38 154 39 1156 40 7410 41 42024 42 211546 43 911068 44 2862562 45 1 46 18 47 192 48 1582 49 11088 50 69002 51 387456 52 1951494 53 8457504 54 26824386