A368698 - cp's OEIS frontend

A368698 a(n) is the smallest positive k such that A005940(1+n) divides the oblong number k*(k+1).

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	2
6	8
7	7
8	6
9	4
10	5
11	3
12	24
13	8
14	26
15	15
16	10
17	6
18	6
19	4
20	14
21	5
22	9
23	8
24	48
25	24
26	24
27	8
28	124
29	26
30	80
31	31
32	12
33	10
34	11
35	7
36	10
37	6
38	27
39	15
40	21
41	14
42	14
43	15
44	49
45	9
46	54
47	15
48	120
49	48
50	48
51	24
52	49
53	24
54	99
55	8
56	342
57	124
58	125
59	27
60	624
61	80
62	242
63	63
64	16
65	12
66	12
67	11
68	25
69	11
70	44
71	7
72	13
73	10
74	44
75	20
76	99
77	27
78	27
79	15
80	65
81	21
82	21
83	20

[1, 1, 2, 3, 4, 2, 8, 7, 6, 4, 5, 3, 24, 8, 26, 15, 10, 6, 6, 4, 14, 5, 9, 8, 48, 24, 24, 8, 124, 26, 80, 31, 12, 10, 11, 7, 10, 6, 27, 15, 21, 14, 14, 15, 49, 9, 54, 15, 120, 48, 48, 24, 49, 24, 99, 8, 342, 124, 125, 27, 624, 80, 242, 63, 16, 12, 12, 11, 25, 11, 44, 7, 13, 10, 44, 20, 99, 27, 27, 15, 65, 21, 21, 20]

cp's OEIS Frontend

A368698 a(n) is the smallest positive k such that A005940(1+n) divides the oblong number k*(k+1).

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	2
6	8
7	7
8	6
9	4
10	5
11	3
12	24
13	8
14	26
15	15
16	10
17	6
18	6
19	4
20	14
21	5
22	9
23	8
24	48
25	24
26	24
27	8
28	124
29	26
30	80
31	31
32	12
33	10
34	11
35	7
36	10
37	6
38	27
39	15
40	21
41	14
42	14
43	15
44	49
45	9
46	54
47	15
48	120
49	48
50	48
51	24
52	49
53	24
54	99
55	8
56	342
57	124
58	125
59	27
60	624
61	80
62	242
63	63
64	16
65	12
66	12
67	11
68	25
69	11
70	44
71	7
72	13
73	10
74	44
75	20
76	99
77	27
78	27
79	15
80	65
81	21
82	21
83	20

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	2
6	8
7	7
8	6
9	4
10	5
11	3
12	24
13	8
14	26
15	15
16	10
17	6
18	6
19	4
20	14
21	5
22	9
23	8
24	48
25	24
26	24
27	8
28	124
29	26
30	80
31	31
32	12
33	10
34	11
35	7
36	10
37	6
38	27
39	15
40	21
41	14
42	14
43	15
44	49
45	9
46	54
47	15
48	120
49	48
50	48
51	24
52	49
53	24
54	99
55	8
56	342
57	124
58	125
59	27
60	624
61	80
62	242
63	63
64	16
65	12
66	12
67	11
68	25
69	11
70	44
71	7
72	13
73	10
74	44
75	20
76	99
77	27
78	27
79	15
80	65
81	21
82	21
83	20

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	2
6	8
7	7
8	6
9	4
10	5
11	3
12	24
13	8
14	26
15	15
16	10
17	6
18	6
19	4
20	14
21	5
22	9
23	8
24	48
25	24
26	24
27	8
28	124
29	26
30	80
31	31
32	12
33	10
34	11
35	7
36	10
37	6
38	27
39	15
40	21
41	14
42	14
43	15
44	49
45	9
46	54
47	15
48	120
49	48
50	48
51	24
52	49
53	24
54	99
55	8
56	342
57	124
58	125
59	27
60	624
61	80
62	242
63	63
64	16
65	12
66	12
67	11
68	25
69	11
70	44
71	7
72	13
73	10
74	44
75	20
76	99
77	27
78	27
79	15
80	65
81	21
82	21
83	20