A366186 - cp's OEIS frontend

A366186 Positive integers k such that the third derivative of the k-th Bernoulli polynomial B(k, x) contains only integer coefficients.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	20
20	21
21	22
22	25
23	26
24	28
25	29
26	30
27	31
28	32
29	35
30	36
31	37
32	38
33	42
34	50
35	52
36	55
37	56
38	57
39	58
40	60
41	61
42	62
43	66
44	70
45	71
46	72
47	78
48	80
49	92
50	110
51	121
52	122
53	156
54	176
55	177
56	190
57	191
58	210
59	392

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 25, 26, 28, 29, 30, 31, 32, 35, 36, 37, 38, 42, 50, 52, 55, 56, 57, 58, 60, 61, 62, 66, 70, 71, 72, 78, 80, 92, 110, 121, 122, 156, 176, 177, 190, 191, 210, 392]

cp's OEIS Frontend

A366186 Positive integers k such that the third derivative of the k-th Bernoulli polynomial B(k, x) contains only integer coefficients.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	20
20	21
21	22
22	25
23	26
24	28
25	29
26	30
27	31
28	32
29	35
30	36
31	37
32	38
33	42
34	50
35	52
36	55
37	56
38	57
39	58
40	60
41	61
42	62
43	66
44	70
45	71
46	72
47	78
48	80
49	92
50	110
51	121
52	122
53	156
54	176
55	177
56	190
57	191
58	210
59	392

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	20
20	21
21	22
22	25
23	26
24	28
25	29
26	30
27	31
28	32
29	35
30	36
31	37
32	38
33	42
34	50
35	52
36	55
37	56
38	57
39	58
40	60
41	61
42	62
43	66
44	70
45	71
46	72
47	78
48	80
49	92
50	110
51	121
52	122
53	156
54	176
55	177
56	190
57	191
58	210
59	392

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	14
15	15
16	16
17	17
18	18
19	20
20	21
21	22
22	25
23	26
24	28
25	29
26	30
27	31
28	32
29	35
30	36
31	37
32	38
33	42
34	50
35	52
36	55
37	56
38	57
39	58
40	60
41	61
42	62
43	66
44	70
45	71
46	72
47	78
48	80
49	92
50	110
51	121
52	122
53	156
54	176
55	177
56	190
57	191
58	210
59	392