A219222 - cp's OEIS frontend

A219222 Numbers that can be expressed as the sum of 2 positive squares but not as the sum of 3 positive squares.

n	a(n)
1	2
2	5
3	8
4	10
5	13
6	20
7	25
8	32
9	37
10	40
11	52
12	58
13	80
14	85
15	100
16	128
17	130
18	148
19	160
20	208
21	232
22	320
23	340
24	400
25	512
26	520
27	592
28	640
29	832
30	928
31	1280
32	1360
33	1600
34	2048
35	2080
36	2368
37	2560
38	3328
39	3712
40	5120
41	5440
42	6400
43	8192
44	8320
45	9472
46	10240
47	13312
48	14848
49	20480
50	21760

[2, 5, 8, 10, 13, 20, 25, 32, 37, 40, 52, 58, 80, 85, 100, 128, 130, 148, 160, 208, 232, 320, 340, 400, 512, 520, 592, 640, 832, 928, 1280, 1360, 1600, 2048, 2080, 2368, 2560, 3328, 3712, 5120, 5440, 6400, 8192, 8320, 9472, 10240, 13312, 14848, 20480, 21760]

cp's OEIS Frontend

A219222 Numbers that can be expressed as the sum of 2 positive squares but not as the sum of 3 positive squares.

Table of values

List of values