A120075 - OEIS

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A120075 as a simple table

n	a(n)
2	4
3	45
4	176
5	750
6	1101
7	4459
8	6080
9	13284
10	16350
11	46585
12	33954
13	109850
14	92463
15	142705
16	198400
17	432344
18	255096
19	761349
20	500355
21	824866
22	925529
23	2007555
24	1044616
25	2612500
26	2158130
27	3301641
28	2848741

[4,45,176,750,1101,4459,6080,13284,16350,46585, 33954,109850,92463,142705,198400,432344,255096, 761349,500355,824866,925529,2007555,1044616, 2612500,2158130,3301641,2848741]