# A150568 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 26
4 107
5 462
6 2053
7 9357
8 43312
9 203180
10 962555
11 4596511
12 22091572
13 106733036
14 517927304
15 2522423944
16 12322749650
17 60357919187
18 296304581671
19 1457419770252
20 7180626570463
21 35430558631116
22 175046219852421
23 865804309015437
24 4286686560241754
25 21242694102354515
26 105351540746353992