# A002444 (b-file synthesized from sequence entry)
0 1
1 6
2 30
3 84
4 90
5 132
6 5460
7 360
8 1530
9 7980
10 13860
11 8280
12 81900
13 1512
14 3480
15 114576
16 117810
17 1260
18 3838380
19 32760
20 568260
21 1191960
22 869400
23 236880
24 9746100
25 525096
26 629640
27 351120
28 198360
29 42480
30 1362881520
31 4324320
32 1093950
33 33008220
34 434700
35 843480
36 46233287100
37 102702600
38 1081080