# A150380 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 23
4 96
5 370
6 1649
7 6853
8 31452
9 136477
10 637326
11 2844663
12 13440854
13 61193764
14 291569929
15 1346960293
16 6458143571
17 30168044434
18 145347894835
19 684914837573
20 3312708466632
21 15719981712073
22 76273840443727
23 364024533938763
24 1770924934795926
25 8492183008718931
26 41405426740818565
27 199348382095843560