# A067958 (b-file synthesized from sequence entry) 1 1 2 5 3 10 4 133 5 1411 6 42938 7 1796859 8 157763829 9 22909432780 10 6291183426165 11 3032485231813445 12 2674030233698391466 13 4216437656471537450175 14 12038380931111061789962901 15 61810608197507432888286102310 16 572863067272579464080483552434421