# A378951 (b-file synthesized from sequence entry)
0 1
1 3
2 15
3 94
4 663
5 5025
6 39970
7 329145
8 2782095
9 23999078
10 210427869
11 1869908364
12 16802935370
13 152425394958
14 1393972037301
15 12838326815582
16 118970843349711
17 1108503805898190
18 10378559702646846
19 97593299922016224
20 921294705307189029