A010940 - OEIS

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A010940 as a simple table

n	a(n)
0	1
1	24
2	276
3	2024
4	10626
5	42504
6	134596
7	346104
8	735471
9	1307504
10	1961256
11	2496144
12	2704156
13	2496144
14	1961256
15	1307504
16	735471
17	346104
18	134596
19	42504
20	10626
21	2024
22	276
23	24
24	1

[1,24,276,2024,10626,42504,134596,346104,735471, 1307504,1961256,2496144,2704156,2496144,1961256, 1307504,735471,346104,134596,42504,10626,2024,276, 24,1]