# A372372 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 29
4 154
5 792
6 4047
7 20967
8 110058
9 582257
10 3096516
11 16539690
12 88684291
13 477080671
14 2573652045
15 13917256254
16 75417513498
17 409447753305
18 2226602481387
19 12126317466294
20 66129124080804
21 361059693982863
22 1973513103986606
23 10797777359289435