# A109540 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 8 9 8 10 15 11 22 12 36 13 57 14 92 15 155 16 246 17 400 18 645 19 1044 20 1688 21 2731 22 4425 23 7155 24 11579 25 18733 26 30311 27 49043 28 79353 29 128402 30 207754 31 336155 32 543908 33 880062 34 1423969 35 2304030 36 3728005 37 6032034 38 9760038 39 15792071 40 25552108 41 41344178