# A088358 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 127
5 1321
6 16680
7 244518
8 4049199
9 74404069
10 1498276873
11 32764372213
12 772675039936
13 19541627299052
14 527590805816280
15 15146369004674536
16 460804123171138079
17 14811876349937896743
18 501663013214822053815
19 17858867621856721343253
20 666744417234185576463077