# A026976 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 34
4 116
5 438
6 1606
7 8732
8 32194
9 136010
10 514118
11 2728662
12 10331502
13 45631466
14 174779986
15 918698714
16 3522338416
17 15916323366
18 61429039906
19 321217490812
20 1240465970412
21 5685056528598
22 22049478058342
23 114900767961144
24 445796715768556
25 2063170292741662