# A150842 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 32
4 138
5 612
6 2782
7 12835
8 59916
9 282151
10 1337920
11 6379086
12 30552956
13 146880837
14 708342744
15 3425171883
16 16600524520
17 80617576576
18 392192150420
19 1910910968991
20 9323518359408
21 45546419600056
22 222746154981758
23 1090440406459158
24 5343057270195160
25 26202306700463284
26 128594087415902160