# A378952 (b-file synthesized from sequence entry)
0 1
1 3
2 18
3 139
4 1218
5 11511
6 114398
7 1178421
8 12469626
9 134734092
10 1480317468
11 16487870031
12 185744716414
13 2112756042468
14 24230663513604
15 279889210974003
16 3253295301115290
17 38023971948455859
18 446603044829013514
19 5268557500949993964
20 62398899992129490756