A159935 - cp's OEIS frontend

A159935 Least integer such that a(n)^2 - n is the sum of two nonzero squares.

n	a(n)
0	5
1	3
2	2
3	4
4	3
5	5
6	4
7	3
8	4
9	7
10	6
11	4
12	5
13	9
14	4
15	5
16	6
17	5
18	6
19	6
20	5
21	11
22	12
23	5
24	7
25	15
26	6
27	8
28	6
29	7
30	8
31	6
32	7
33	13
34	6
35	8
36	7
37	21
38	8
39	7
40	9
41	7
42	10
43	12
44	7
45	15
46	8
47	7
48	10
49	9
50	10
51	8
52	9
53	11
54	8
55	9
56	8
57	17
58	30
59	8
60	10
61	9
62	8
63	9
64	9
65	13
66	10
67	18
68	9
69	11
70	12
71	9
72	12
73	9
74	10
75	10
76	9
77	15
78	16
79	9
80	10
81	11
82	10
83	10
84	11
85	21
86	12
87	10
88	15

[5, 3, 2, 4, 3, 5, 4, 3, 4, 7, 6, 4, 5, 9, 4, 5, 6, 5, 6, 6, 5, 11, 12, 5, 7, 15, 6, 8, 6, 7, 8, 6, 7, 13, 6, 8, 7, 21, 8, 7, 9, 7, 10, 12, 7, 15, 8, 7, 10, 9, 10, 8, 9, 11, 8, 9, 8, 17, 30, 8, 10, 9, 8, 9, 9, 13, 10, 18, 9, 11, 12, 9, 12, 9, 10, 10, 9, 15, 16, 9, 10, 11, 10, 10, 11, 21, 12, 10, 15]

cp's OEIS Frontend

A159935 Least integer such that a(n)^2 - n is the sum of two nonzero squares.

Table of values

List of values

n	a(n)
0	5
1	3
2	2
3	4
4	3
5	5
6	4
7	3
8	4
9	7
10	6
11	4
12	5
13	9
14	4
15	5
16	6
17	5
18	6
19	6
20	5
21	11
22	12
23	5
24	7
25	15
26	6
27	8
28	6
29	7
30	8
31	6
32	7
33	13
34	6
35	8
36	7
37	21
38	8
39	7
40	9
41	7
42	10
43	12
44	7
45	15
46	8
47	7
48	10
49	9
50	10
51	8
52	9
53	11
54	8
55	9
56	8
57	17
58	30
59	8
60	10
61	9
62	8
63	9
64	9
65	13
66	10
67	18
68	9
69	11
70	12
71	9
72	12
73	9
74	10
75	10
76	9
77	15
78	16
79	9
80	10
81	11
82	10
83	10
84	11
85	21
86	12
87	10
88	15

n	a(n)
0	5
1	3
2	2
3	4
4	3
5	5
6	4
7	3
8	4
9	7
10	6
11	4
12	5
13	9
14	4
15	5
16	6
17	5
18	6
19	6
20	5
21	11
22	12
23	5
24	7
25	15
26	6
27	8
28	6
29	7
30	8
31	6
32	7
33	13
34	6
35	8
36	7
37	21
38	8
39	7
40	9
41	7
42	10
43	12
44	7
45	15
46	8
47	7
48	10
49	9
50	10
51	8
52	9
53	11
54	8
55	9
56	8
57	17
58	30
59	8
60	10
61	9
62	8
63	9
64	9
65	13
66	10
67	18
68	9
69	11
70	12
71	9
72	12
73	9
74	10
75	10
76	9
77	15
78	16
79	9
80	10
81	11
82	10
83	10
84	11
85	21
86	12
87	10
88	15

n	a(n)
0	5
1	3
2	2
3	4
4	3
5	5
6	4
7	3
8	4
9	7
10	6
11	4
12	5
13	9
14	4
15	5
16	6
17	5
18	6
19	6
20	5
21	11
22	12
23	5
24	7
25	15
26	6
27	8
28	6
29	7
30	8
31	6
32	7
33	13
34	6
35	8
36	7
37	21
38	8
39	7
40	9
41	7
42	10
43	12
44	7
45	15
46	8
47	7
48	10
49	9
50	10
51	8
52	9
53	11
54	8
55	9
56	8
57	17
58	30
59	8
60	10
61	9
62	8
63	9
64	9
65	13
66	10
67	18
68	9
69	11
70	12
71	9
72	12
73	9
74	10
75	10
76	9
77	15
78	16
79	9
80	10
81	11
82	10
83	10
84	11
85	21
86	12
87	10
88	15