# A325950 (b-file synthesized from sequence entry)
0 1
1 6
2 30
3 204
4 1014
5 5716
6 31212
7 163480
8 826278
9 4320132
10 22096324
11 110079016
12 552324796
13 2721379144
14 13415146648
15 66143801648
16 321016593670
17 1549027853156
18 7506317522132
19 35931754574216
20 171790455469140
21 820584857999448
22 3893605676834920
23 18400781049682512