# A136653 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 4
4 39
5 748
6 27162
7 1880872
8 252273611
9 66358216668
10 34506398937158
11 35644762692112792
12 73356520492898454022
13 301274559225693420690360
14 2471654510727312089903896948
15 40527708183358718551543295827536