# A149591 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 15
4 57
5 217
6 881
7 3531
8 14669
9 61597
10 262017
11 1119747
12 4841949
13 21082509
14 92245027
15 405547121
16 1793600501
17 7962983781
18 35463175171
19 158509162139
20 710946989375
21 3196527500661
22 14406394048147
23 65098008529837
24 294809429733405
25 1337492654076381
26 6079430868577281
27 27685286007842799