# A149167 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 9
4 42
5 122
6 590
7 1909
8 9352
9 32288
10 159348
11 575336
12 2852154
13 10632642
14 52848864
15 201805251
16 1004738946
17 3909911352
18 19488971892
19 77013020910
20 384181779814
21 1537516796154
22 7674311674350
23 31042966872666
24 155010703802680
25 632789199449082
26 3160749113086482
27 13005667180995390