# A036784 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 25
5 102
6 432
7 1924
8 8808
9 41351
10 197674
11 959589
12 4716069
13 23422164
14 117360162
15 592567469
16 3011916144
17 15398787232
18 79136540960
19 408574756618
20 2118185640135
21 11022473614333
22 57552696735994
23 301434573308538