# A251578 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 176
4 6896
5 397888
6 30584128
7 2948178304
8 342418882688
9 46582810477568
10 7268517454045184
11 1279982790328858624
12 251155319283837571072
13 54344039464582833577984
14 12855960226911391575670784
15 3301167001281829056285458432
16 914476489427649778704952819712