# A247032 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 215
4 13544
5 1646568
6 342128448
7 111806434449
8 54089613731960
9 36991616761628936
10 34487632073741256512
11 42564197996724997147672
12 67876867685905911079322176
13 137043021921732373141812704320
14 344286933629331983612822165758464
15 1060279482920092978432461141783224583