A018825 - cp's OEIS frontend

A018825 Numbers that are not the sum of 2 nonzero squares.

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	9
7	11
8	12
9	14
10	15
11	16
12	19
13	21
14	22
15	23
16	24
17	27
18	28
19	30
20	31
21	33
22	35
23	36
24	38
25	39
26	42
27	43
28	44
29	46
30	47
31	48
32	49
33	51
34	54
35	55
36	56
37	57
38	59
39	60
40	62
41	63
42	64
43	66
44	67
45	69
46	70
47	71
48	75
49	76
50	77
51	78
52	79
53	81
54	83
55	84
56	86
57	87
58	88
59	91
60	92
61	93
62	94
63	95
64	96
65	99
66	102
67	103
68	105
69	107
70	108
71	110

[1, 3, 4, 6, 7, 9, 11, 12, 14, 15, 16, 19, 21, 22, 23, 24, 27, 28, 30, 31, 33, 35, 36, 38, 39, 42, 43, 44, 46, 47, 48, 49, 51, 54, 55, 56, 57, 59, 60, 62, 63, 64, 66, 67, 69, 70, 71, 75, 76, 77, 78, 79, 81, 83, 84, 86, 87, 88, 91, 92, 93, 94, 95, 96, 99, 102, 103, 105, 107, 108, 110]

cp's OEIS Frontend

A018825 Numbers that are not the sum of 2 nonzero squares.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	9
7	11
8	12
9	14
10	15
11	16
12	19
13	21
14	22
15	23
16	24
17	27
18	28
19	30
20	31
21	33
22	35
23	36
24	38
25	39
26	42
27	43
28	44
29	46
30	47
31	48
32	49
33	51
34	54
35	55
36	56
37	57
38	59
39	60
40	62
41	63
42	64
43	66
44	67
45	69
46	70
47	71
48	75
49	76
50	77
51	78
52	79
53	81
54	83
55	84
56	86
57	87
58	88
59	91
60	92
61	93
62	94
63	95
64	96
65	99
66	102
67	103
68	105
69	107
70	108
71	110

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	9
7	11
8	12
9	14
10	15
11	16
12	19
13	21
14	22
15	23
16	24
17	27
18	28
19	30
20	31
21	33
22	35
23	36
24	38
25	39
26	42
27	43
28	44
29	46
30	47
31	48
32	49
33	51
34	54
35	55
36	56
37	57
38	59
39	60
40	62
41	63
42	64
43	66
44	67
45	69
46	70
47	71
48	75
49	76
50	77
51	78
52	79
53	81
54	83
55	84
56	86
57	87
58	88
59	91
60	92
61	93
62	94
63	95
64	96
65	99
66	102
67	103
68	105
69	107
70	108
71	110

n	a(n)
1	1
2	3
3	4
4	6
5	7
6	9
7	11
8	12
9	14
10	15
11	16
12	19
13	21
14	22
15	23
16	24
17	27
18	28
19	30
20	31
21	33
22	35
23	36
24	38
25	39
26	42
27	43
28	44
29	46
30	47
31	48
32	49
33	51
34	54
35	55
36	56
37	57
38	59
39	60
40	62
41	63
42	64
43	66
44	67
45	69
46	70
47	71
48	75
49	76
50	77
51	78
52	79
53	81
54	83
55	84
56	86
57	87
58	88
59	91
60	92
61	93
62	94
63	95
64	96
65	99
66	102
67	103
68	105
69	107
70	108
71	110