# A164630 (b-file synthesized from sequence entry)
0 1
1 18
2 306
3 5202
4 88434
5 1503378
6 25557426
7 434476089
8 7386090912
9 125563501440
10 2134578775392
11 36287826447168
12 616892833115424
13 10487174482692864
14 178281903641223096
15 3030791298303722112
16 51523433990019421056