# A326744 (b-file synthesized from sequence entry) 0 1 1 6 2 42 3 198 4 1068 5 5196 6 25902 7 125874 8 609780 9 2933562 10 14058132 11 67139772 12 319822572 13 1520161374 14 7211880744 15 34157352042 16 161541458514 17 763007236542 18 3599867690610