# A149630 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 15
4 67
5 265
6 1181
7 5035
8 22891
9 101385
10 467833
11 2124239
12 9908627
13 45726667
14 215107819
15 1004102949
16 4755098001
17 22389176879
18 106594259895
19 505286078225
20 2416188580561
21 11515108092133
22 55264506834405
23 264539724909511
24 1273537032925423
25 6118479896286207
26 29533597410434055
27 142327445758987571