A230312 - cp's OEIS frontend

A230312 Squares which cannot be written as the sum of a smaller nonzero square and twice a triangular number.

n	a(n)
1	1
2	4
3	9
4	25
5	49
6	64
7	100
8	144
9	169
10	324
11	400
12	729
13	784
14	1089
15	1369
16	1764
17	2025
18	2209
19	3025
20	3364
21	3600
22	3844
23	3969
24	4225
25	4489
26	5329
27	5625
28	6084
29	6400
30	7225
31	7744
32	8100
33	8464
34	10404
35	10609
36	11025
37	12544
38	13225
39	13924
40	14400
41	15625
42	16384
43	16900

[1, 4, 9, 25, 49, 64, 100, 144, 169, 324, 400, 729, 784, 1089, 1369, 1764, 2025, 2209, 3025, 3364, 3600, 3844, 3969, 4225, 4489, 5329, 5625, 6084, 6400, 7225, 7744, 8100, 8464, 10404, 10609, 11025, 12544, 13225, 13924, 14400, 15625, 16384, 16900]

cp's OEIS Frontend

A230312 Squares which cannot be written as the sum of a smaller nonzero square and twice a triangular number.

Table of values

List of values