# A026292 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 27
4 145
5 796
6 4438
7 25034
8 142479
9 816620
10 4706977
11 27256963
12 158450461
13 924129535
14 5404960900
15 31689099660
16 186188338689
17 1096001511849
18 6462416487070
19 38161656273410
20 225653893420214
21 1335936968552131
22 7917871096128978
23 46975164555309282
24 278951672249192025