# A121179 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 4
4 19
5 91
6 476
7 2586
8 14421
9 82225
10 476913
11 2804880
12 16689036
13 100276894
14 607588840
15 3708251888
16 22776251835
17 140676848445
18 873210347555
19 5444307431052
20 34080036632565
21 214104150405915
22 1349504948018208
23 8531467913710560
24 54083412667272300
25 343715994386622918
26 2189505804590364876