A205394 - cp's OEIS frontend

A205394 Least k such that n divides s(k)-s(j) for some j where s(j)=ceiling(j^2/2).

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

[2, 3, 3, 3, 5, 4, 4, 5, 8, 6, 5, 5, 6, 8, 8, 6, 6, 9, 8, 7, 10, 12, 7, 7, 10, 14, 8, 9, 11, 8, 8, 10, 9, 18, 12, 9, 10, 20, 9, 9, 15, 10, 11, 13, 10, 24, 12, 10, 10, 15, 20, 15, 11, 12, 16, 11, 14, 30, 11, 11, 22, 32, 15, 12, 18, 14, 12, 19, 26, 12, 12, 13, 14, 38, 20, 21]

cp's OEIS Frontend

A205394 Least k such that n divides s(k)-s(j) for some j where s(j)=ceiling(j^2/2).

Table of values

List of values

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

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

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