# A018795 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 1
11 3
12 8
13 20
14 48
15 112
16 256
17 576
18 1280
19 3280
20 7968
21 17840
22 39487
23 86587
24 188396
25 407230
26 875320
27 1872332
28 4218648
29 9382099
30 20646176
31 44125836
32 93902740