A374287 - cp's OEIS frontend

A374287 a(n) is the smallest number which can be represented as the sum of n distinct nonzero squares in exactly 2 ways, or -1 if no such number exists.

n	a(n)
1	-1
2	65
3	62
4	90
5	103
6	136
7	200
8	276
9	376
10	481
11	625
12	806
13	975
14	1183
15	1415
16	1688
17	1989
18	2325
19	2698
20	3110
21	3563
22	4059
23	4600
24	5188
25	5825
26	6513
27	7254
28	8050
29	8903
30	9815
31	10788
32	11824
33	12925
34	14093
35	15330
36	16638
37	18019
38	19475
39	21008
40	22620
41	24313
42	26089
43	27950
44	29898

[-1, 65, 62, 90, 103, 136, 200, 276, 376, 481, 625, 806, 975, 1183, 1415, 1688, 1989, 2325, 2698, 3110, 3563, 4059, 4600, 5188, 5825, 6513, 7254, 8050, 8903, 9815, 10788, 11824, 12925, 14093, 15330, 16638, 18019, 19475, 21008, 22620, 24313, 26089, 27950, 29898]

cp's OEIS Frontend

A374287 a(n) is the smallest number which can be represented as the sum of n distinct nonzero squares in exactly 2 ways, or -1 if no such number exists.

Table of values

List of values