# A135083 (b-file synthesized from sequence entry) 0 1 1 3 2 15 3 112 4 1128 5 14373 6 221952 7 4029915 8 84135510 9 1985740905 10 52277994396 11 1518768476508 12 48261093246396 13 1665034362336120 14 61979166611850084 15 2475861386988907814 16 105641851808320785498 17 4795101548183135826810