A223811 - OEIS

A223811 as a simple table

n	a(n)
1	4
2	16
3	16
4	50
5	256
6	50
7	130
8	2500
9	2500
10	130
11	296
12	16900
13	58806
14	16900
15	296
16	610
17	87616
18	825896
19	825896
20	87616
21	610
22	1163
23	372100
24	8165133
25	20847008
26	8165133
27	372100
28	1163
29	2083
30	1352569
31	62305953
32	342521725
33	342521725
34	62305953
35	1352569
36	2083

[4,16,16,50,256,50,130,2500,2500,130,296,16900, 58806,16900,296,610,87616,825896,825896,87616,610, 1163,372100,8165133,20847008,8165133,372100,1163, 2083,1352569,62305953,342521725,342521725, 62305953,1352569,2083]