# A336945 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 6 4 31 5 163 6 882 7 4896 8 27759 9 160149 10 937365 11 5553210 12 33237828 13 200696356 14 1221105376 15 7479222624 16 46079243631 17 285373035417 18 1775569951995 19 11093660204970 20 69574265317095 21 437832231422355 22 2763889941603630 23 17497374053053440 24 111061430519553540 25 706647507156148428 26 4506221447451530172