A245474 - cp's OEIS frontend

A245474 a(n) = smallest positive integer s such that sn - floor(sqrt(sn))^2 is a square.

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

[1, 1, 1, 3, 1, 1, 6, 7, 1, 1, 1, 11, 3, 1, 14, 3, 1, 1, 2, 19, 1, 21, 22, 23, 6, 1, 1, 3, 7, 1, 3, 31, 2, 33, 1, 35, 1, 1, 38, 6, 1, 2, 42, 43, 11, 1, 46, 47, 3, 1, 1, 3, 2, 1, 6, 55, 14, 57, 1, 59, 6, 2, 62, 7, 1, 1, 66, 67, 1, 69, 35, 71, 2, 1, 2, 3, 19]

cp's OEIS Frontend

A245474 a(n) = smallest positive integer s such that sn - floor(sqrt(sn))^2 is a square.

Table of values

List of values

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

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

cp's OEIS Frontend

A245474 a(n) = smallest positive integer s such that s*n - floor(sqrt(s*n))^2 is a square.

Table of values

List of values

A245474 a(n) = smallest positive integer s such that sn - floor(sqrt(sn))^2 is a square.

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