# A048069 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 0
6 1
7 6
8 12
9 42
10 63
11 168
12 224
13 504
14 630
15 1270
16 1527
17 2937
18 3465
19 6930
20 8184
21 18304
22 21879
23 54054
24 65065
25 165285
26 198363
27 491128
28 584464
29 1387744
30 1636284
31 3757884
32 4398954
33 9980054