# A244762 (b-file synthesized from sequence entry) 0 1 1 3 2 10 3 32 4 99 5 301 6 908 7 2730 8 8197 9 24599 10 73806 11 221428 12 664295 13 1992897 14 5978704 15 17936126 16 53808393 17 161425195 18 484275602 19 1452826824 20 4358480491 21 13075441493 22 39226324500 23 117678973522 24 353036920589 25 1059110761791 26 3177332285398 27 9531996856220 28 28595990568687 29 85787971706089 30 257363915118296