# A247507 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 2 5 2 6 1 7 3 8 6 9 5 10 1 11 4 12 12 13 22 14 14 15 1 16 5 17 20 18 57 19 90 20 42 21 1 22 6 23 30 24 116 25 300 26 394 27 132 28 1 29 7 30 42 31 205 32 740 33 1686 34 1806 35 429 36 1 37 8 38 56 39 330 40 1530 41 5028 42 9912 43 8558 44 1430 45 1 46 9 47 72 48 497 49 2814 50 12130 51 35700 52 60213 53 41586 54 4862