A133037 - OEIS

A133037 as a simple table

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	1
6	1
7	1
8	4
9	4
10	9
11	16
12	25
13	49
14	81
15	144
16	256
17	441
18	784
19	1369
20	2401
21	4225
22	7396
23	12996
24	22801
25	40000
26	70225
27	123201
28	216225
29	379456
30	665856
31	1168561
32	2050624
33	3598609
34	6315169
35	11082241
36	19448100
37	34128964
38	59892121
39	105103504
40	184443561
41	323676081

[1,0,0,1,0,1,1,1,4,4,9,16,25,49,81,144,256,441, 784,1369,2401,4225,7396,12996,22801,40000,70225, 123201,216225,379456,665856,1168561,2050624, 3598609,6315169,11082241,19448100,34128964, 59892121,105103504,184443561,323676081]

[1,0,0,1,0,1,1,1,4,4,9,16,25,49,81,144,256,441,
 784,1369,2401,4225,7396,12996,22801,40000,70225,
 123201,216225,379456,665856,1168561,2050624,
 3598609,6315169,11082241,19448100,34128964,
 59892121,105103504,184443561,323676081]