# A174299 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 0
5 0
6 1
7 4
8 13
9 44
10 164
11 666
12 2943
13 14075
14 72491
15 400020
16 2354549
17 14725237
18 97508021
19 681552735
20 5014584787
21 38740015633
22 313536416649
23 2652902840111
24 23422761943259
25 215418814359446
26 2060451979153567
27 20465943911593383
28 210812000258805578
29 2249048624575857158
30 24821362535291019333