# A258792 (b-file synthesized from sequence entry) 0 1 1 6 2 69 3 915 4 12978 5 194688 6 3051617 7 49526487 8 826910754 9 14135805042 10 246508115583 11 4372617452085 12 78714369892152 13 1435357362134796 14 26472477913596486 15 493178852479545556 16 9270953614684288962 17 175695092091980786166 18 3354069936616380522256