A061042 - OEIS

A061042 as a simple table

n	a(n)
4	1
5	400
6	144
7	784
8	64
9	1296
10	400
11	1936
12	18
13	2704
14	784
15	3600
16	256
17	4624
18	1296
19	5776
20	50
21	7056
22	1936
23	8464
24	576
25	10000
26	2704
27	11664
28	49
29	13456
30	3600
31	15376
32	1024
33	17424
34	4624
35	19600
36	81
37	21904
38	5776
39	24336
40	1600
41	26896
42	7056
43	29584

[1,400,144,784,64,1296,400,1936,18,2704,784,3600, 256,4624,1296,5776,50,7056,1936,8464,576,10000, 2704,11664,49,13456,3600,15376,1024,17424,4624, 19600,81,21904,5776,24336,1600,26896,7056,29584]