A079507 - OEIS

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A079507 as a simple table

n	a(n)
1	1
2	1
3	4
4	4
5	1
6	15
7	63
8	96
9	48
10	1
11	44
12	468
13	1936
14	3688
15	3264
16	1088
17	1
18	120
19	2795
20	23990
21	98275
22	214640
23	256720
24	158720
25	39680

[1,1,4,4,1,15,63,96,48,1,44,468,1936,3688,3264, 1088,1,120,2795,23990,98275,214640,256720,158720, 39680]