A105746 - cp's OEIS frontend

A105746 a(n) = minimal c>0 such that (n+1)^2+4nc = d^2 is a square.

n	a(n)
1	3
2	2
3	4
4	6
5	8
6	3
7	12
8	14
9	16
10	6
11	20
12	4
13	24
14	9
15	7
16	30
17	32
18	12
19	36
20	5
21	8
22	15
23	44
24	11
25	48
26	18
27	52
28	9
29	56
30	6
31	60
32	62
33	15
34	24
35	20
36	10
37	72
38	27
39	16
40	21
41	80
42	7
43	84
44	14
45	11
46	33
47	92
48	20
49	96
50	36
51	23
52	15
53	104
54	39
55	12
56	8
57	24
58	42
59	116
60	19
61	120
62	45
63	39
64	126
65	35
66	13
67	132
68	20
69	31
70	17
71	140
72	9
73	144
74	54

[3, 2, 4, 6, 8, 3, 12, 14, 16, 6, 20, 4, 24, 9, 7, 30, 32, 12, 36, 5, 8, 15, 44, 11, 48, 18, 52, 9, 56, 6, 60, 62, 15, 24, 20, 10, 72, 27, 16, 21, 80, 7, 84, 14, 11, 33, 92, 20, 96, 36, 23, 15, 104, 39, 12, 8, 24, 42, 116, 19, 120, 45, 39, 126, 35, 13, 132, 20, 31, 17, 140, 9, 144, 54]

cp's OEIS Frontend

A105746 a(n) = minimal c>0 such that (n+1)^2+4nc = d^2 is a square.

Table of values

List of values

n	a(n)
1	3
2	2
3	4
4	6
5	8
6	3
7	12
8	14
9	16
10	6
11	20
12	4
13	24
14	9
15	7
16	30
17	32
18	12
19	36
20	5
21	8
22	15
23	44
24	11
25	48
26	18
27	52
28	9
29	56
30	6
31	60
32	62
33	15
34	24
35	20
36	10
37	72
38	27
39	16
40	21
41	80
42	7
43	84
44	14
45	11
46	33
47	92
48	20
49	96
50	36
51	23
52	15
53	104
54	39
55	12
56	8
57	24
58	42
59	116
60	19
61	120
62	45
63	39
64	126
65	35
66	13
67	132
68	20
69	31
70	17
71	140
72	9
73	144
74	54

n	a(n)
1	3
2	2
3	4
4	6
5	8
6	3
7	12
8	14
9	16
10	6
11	20
12	4
13	24
14	9
15	7
16	30
17	32
18	12
19	36
20	5
21	8
22	15
23	44
24	11
25	48
26	18
27	52
28	9
29	56
30	6
31	60
32	62
33	15
34	24
35	20
36	10
37	72
38	27
39	16
40	21
41	80
42	7
43	84
44	14
45	11
46	33
47	92
48	20
49	96
50	36
51	23
52	15
53	104
54	39
55	12
56	8
57	24
58	42
59	116
60	19
61	120
62	45
63	39
64	126
65	35
66	13
67	132
68	20
69	31
70	17
71	140
72	9
73	144
74	54

cp's OEIS Frontend

A105746 a(n) = minimal c>0 such that (n+1)^2+4*n*c = d^2 is a square.

Table of values

List of values

A105746 a(n) = minimal c>0 such that (n+1)^2+4nc = d^2 is a square.

n	a(n)
1	3
2	2
3	4
4	6
5	8
6	3
7	12
8	14
9	16
10	6
11	20
12	4
13	24
14	9
15	7
16	30
17	32
18	12
19	36
20	5
21	8
22	15
23	44
24	11
25	48
26	18
27	52
28	9
29	56
30	6
31	60
32	62
33	15
34	24
35	20
36	10
37	72
38	27
39	16
40	21
41	80
42	7
43	84
44	14
45	11
46	33
47	92
48	20
49	96
50	36
51	23
52	15
53	104
54	39
55	12
56	8
57	24
58	42
59	116
60	19
61	120
62	45
63	39
64	126
65	35
66	13
67	132
68	20
69	31
70	17
71	140
72	9
73	144
74	54