# A122024 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 5
8 13
9 34
10 76
11 286
12 1651
13 10933
14 76130
15 418553
16 3071419
17 37191253
18 597219127
19 11052077737
20 158194282219
21 2500524791374
22 60075261409487
23 2150997470890553
24 103505410541423890
25 3957922747010968084