A308833 - cp's OEIS frontend

A308833 Numbers r such that the r-th tetrahedral number A000292(r) divides r!.

n	a(n)
1	1
2	7
3	8
4	13
5	14
6	19
7	20
8	23
9	24
10	25
11	26
12	31
13	32
14	33
15	34
16	37
17	38
18	43
19	44
20	47
21	48
22	49
23	50
24	53
25	54
26	55
27	56
28	61
29	62
30	63
31	64
32	67
33	68
34	73
35	74
36	75
37	76
38	79
39	80
40	83
41	84
42	85
43	86
44	89
45	90
46	91
47	92
48	93
49	94
50	97
51	98
52	103
53	104
54	109
55	110
56	113
57	114
58	115
59	116
60	117
61	118
62	119
63	120

[1, 7, 8, 13, 14, 19, 20, 23, 24, 25, 26, 31, 32, 33, 34, 37, 38, 43, 44, 47, 48, 49, 50, 53, 54, 55, 56, 61, 62, 63, 64, 67, 68, 73, 74, 75, 76, 79, 80, 83, 84, 85, 86, 89, 90, 91, 92, 93, 94, 97, 98, 103, 104, 109, 110, 113, 114, 115, 116, 117, 118, 119, 120]

cp's OEIS Frontend

A308833 Numbers r such that the r-th tetrahedral number A000292(r) divides r!.

Table of values

List of values

n	a(n)
1	1
2	7
3	8
4	13
5	14
6	19
7	20
8	23
9	24
10	25
11	26
12	31
13	32
14	33
15	34
16	37
17	38
18	43
19	44
20	47
21	48
22	49
23	50
24	53
25	54
26	55
27	56
28	61
29	62
30	63
31	64
32	67
33	68
34	73
35	74
36	75
37	76
38	79
39	80
40	83
41	84
42	85
43	86
44	89
45	90
46	91
47	92
48	93
49	94
50	97
51	98
52	103
53	104
54	109
55	110
56	113
57	114
58	115
59	116
60	117
61	118
62	119
63	120

n	a(n)
1	1
2	7
3	8
4	13
5	14
6	19
7	20
8	23
9	24
10	25
11	26
12	31
13	32
14	33
15	34
16	37
17	38
18	43
19	44
20	47
21	48
22	49
23	50
24	53
25	54
26	55
27	56
28	61
29	62
30	63
31	64
32	67
33	68
34	73
35	74
36	75
37	76
38	79
39	80
40	83
41	84
42	85
43	86
44	89
45	90
46	91
47	92
48	93
49	94
50	97
51	98
52	103
53	104
54	109
55	110
56	113
57	114
58	115
59	116
60	117
61	118
62	119
63	120

n	a(n)
1	1
2	7
3	8
4	13
5	14
6	19
7	20
8	23
9	24
10	25
11	26
12	31
13	32
14	33
15	34
16	37
17	38
18	43
19	44
20	47
21	48
22	49
23	50
24	53
25	54
26	55
27	56
28	61
29	62
30	63
31	64
32	67
33	68
34	73
35	74
36	75
37	76
38	79
39	80
40	83
41	84
42	85
43	86
44	89
45	90
46	91
47	92
48	93
49	94
50	97
51	98
52	103
53	104
54	109
55	110
56	113
57	114
58	115
59	116
60	117
61	118
62	119
63	120