# A297965 (b-file synthesized from sequence entry)
0 1
1 3
2 55
3 6765
4 9227465
5 225851433717
6 160500643816367088
7 5358359254990966640871840
8 13598018856492162040239554477268290
9 4244200115309993198876969489421897548446236915
10 263621064469290555679241849789653324393054271110084140201023