# A007900 (b-file synthesized from sequence entry)
0 1
1 24
2 144
3 456
4 1056
5 2040
6 3504
7 5544
8 8256
9 11736
10 16080
11 21384
12 27744
13 35256
14 44016
15 54120
16 65664
17 78744
18 93456
19 109896
20 128160
21 148344
22 170544
23 194856
24 221376
25 250200
26 281424
27 315144
28 351456