# A372611 (b-file synthesized from sequence entry) 0 1 1 7 2 26 3 90 4 310 5 1082 6 3844 7 13892 8 50950 9 189130 10 708876 11 2677452 12 10175356 13 38863780 14 149045960 15 573559240 16 2213551430 17 8563950250 18 33203854460 19 128978378620 20 501839077460 21 1955475615820 22 7629823818680 23 29805375256120 24 116558646378140 25 456270710243332