A110560 - cp's OEIS frontend

A110560 Numerators of T(n+1)/n! reduced to lowest terms, where T(n) are the triangular numbers A000217.

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

[1, 3, 3, 5, 5, 7, 7, 1, 1, 11, 11, 13, 13, 1, 1, 17, 17, 19, 19, 1, 1, 23, 23, 1, 1, 1, 1, 29, 29, 31, 31, 1, 1, 1, 1, 37, 37, 1, 1, 41, 41, 43, 43, 1, 1, 47, 47, 1, 1, 1, 1, 53, 53, 1, 1, 1, 1, 59, 59, 61, 61, 1, 1, 1, 1, 67, 67, 1, 1, 71, 71, 73, 73, 1, 1, 1, 1, 79, 79, 1, 1, 83, 83]

cp's OEIS Frontend

A110560 Numerators of T(n+1)/n! reduced to lowest terms, where T(n) are the triangular numbers A000217.

Table of values

List of values

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

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

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