A231272 - cp's OEIS frontend

A231272 Numbers m with unique solution to m = +-1^2+-2^2+-3^2+-4^2+-...+-k^2 with minimal k giving at least one solution.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	14
13	15
14	17
15	19
16	20
17	21
18	22
19	23
20	24
21	26
22	27
23	28
24	29
25	30
26	35
27	36
28	37
29	38
30	44
31	45
32	47
33	49
34	51
35	53
36	55
37	56
38	57
39	59
40	60
41	62
42	63
43	64
44	65
45	66
46	68
47	70
48	71
49	72
50	73
51	76
52	78
53	81
54	83
55	86
56	89
57	91
58	92
59	94
60	98
61	100
62	102
63	106
64	108
65	109
66	112

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 17, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 35, 36, 37, 38, 44, 45, 47, 49, 51, 53, 55, 56, 57, 59, 60, 62, 63, 64, 65, 66, 68, 70, 71, 72, 73, 76, 78, 81, 83, 86, 89, 91, 92, 94, 98, 100, 102, 106, 108, 109, 112]

cp's OEIS Frontend

A231272 Numbers m with unique solution to m = +-1^2+-2^2+-3^2+-4^2+-...+-k^2 with minimal k giving at least one solution.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	14
13	15
14	17
15	19
16	20
17	21
18	22
19	23
20	24
21	26
22	27
23	28
24	29
25	30
26	35
27	36
28	37
29	38
30	44
31	45
32	47
33	49
34	51
35	53
36	55
37	56
38	57
39	59
40	60
41	62
42	63
43	64
44	65
45	66
46	68
47	70
48	71
49	72
50	73
51	76
52	78
53	81
54	83
55	86
56	89
57	91
58	92
59	94
60	98
61	100
62	102
63	106
64	108
65	109
66	112

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	14
13	15
14	17
15	19
16	20
17	21
18	22
19	23
20	24
21	26
22	27
23	28
24	29
25	30
26	35
27	36
28	37
29	38
30	44
31	45
32	47
33	49
34	51
35	53
36	55
37	56
38	57
39	59
40	60
41	62
42	63
43	64
44	65
45	66
46	68
47	70
48	71
49	72
50	73
51	76
52	78
53	81
54	83
55	86
56	89
57	91
58	92
59	94
60	98
61	100
62	102
63	106
64	108
65	109
66	112

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	10
9	11
10	12
11	13
12	14
13	15
14	17
15	19
16	20
17	21
18	22
19	23
20	24
21	26
22	27
23	28
24	29
25	30
26	35
27	36
28	37
29	38
30	44
31	45
32	47
33	49
34	51
35	53
36	55
37	56
38	57
39	59
40	60
41	62
42	63
43	64
44	65
45	66
46	68
47	70
48	71
49	72
50	73
51	76
52	78
53	81
54	83
55	86
56	89
57	91
58	92
59	94
60	98
61	100
62	102
63	106
64	108
65	109
66	112