# A246510 (b-file synthesized from sequence entry)
0 1
1 5
2 36
3 305
4 2821
5 27690
6 282699
7 2967285
8 31785786
9 345815975
10 3808549531
11 42360017130
12 474990254821
13 5362633500755
14 60897115958286
15 695012481567465
16 7966829676299139
17 91674042449673960
18 1058486539560201051
19 12258669983923625475
20 142359286920427682046
21 1657287004720545992505