# A150885 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 33
4 150
5 687
6 3260
7 15535
8 75200
9 365065
10 1786315
11 8758688
12 43134180
13 212743678
14 1052015189
15 5207997317
16 25824475180
17 128160594114
18 636719791109
19 3165313770397
20 15747425122161
21 78381360717633
22 390343913148965
23 1944666404124979
24 9691986000325862
25 48317912738860882
26 240952575436395991