# A049612 (b-file synthesized from sequence entry)
0 0
1 1
2 5
3 19
4 63
5 192
6 552
7 1520
8 4048
9 10496
10 26624
11 66304
12 162560
13 393216
14 940032
15 2224128
16 5214208
17 12124160
18 27983872
19 64159744
20 146210816
21 331350016
22 747110400
23 1676673024
24 3746562048
25 8338276352
26 18488492032