# A013418 (b-file synthesized from sequence entry)
1 0
2 2
3 0
4 450
5 4480
6 1786050
7 61776000
8 37240453250
9 2713505184000
10 2464296285701250
11 308006231110240000
12 397784819452992221250
13 76036685958833418000000
14 132964856302641623934781250