# A150141 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 20
4 73
5 281
6 1132
7 4668
8 19721
9 84781
10 368971
11 1627669
12 7241241
13 32500219
14 146956243
15 668357723
16 3058153676
17 14058081823
18 64914531045
19 300967681710
20 1400214412893
21 6536451108935
22 30602252860171
23 143666262628831
24 676176061560358
25 3189725718512715
26 15079740230940998
27 71431939122794444