# A149738 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 77
5 305
6 1391
7 5997
8 27977
9 125933
10 595293
11 2743171
12 13083667
13 61244179
14 294145111
15 1392517293
16 6723830223
17 32097784775
18 155628202165
19 747653078115
20 3637006800251
21 17559574813135
22 85649555597893
23 415170366061299
24 2029579753816049
25 9870089834877679
26 48341005888737633
27 235722964098344779