A225502 - cp's OEIS frontend

A225502 Least m > 0 such that prime(n)*triangular(m) is a triangular number, or 0 if no such m exists.

n	a(n)
1	2
2	1
3	2
4	2
5	3
6	3
7	12
8	4
9	9
10	5
11	5
12	30
13	6
14	6
15	20
16	14
17	230
18	23
19	24
20	8
21	8
22	35
23	36
24	9
25	29
26	90
27	30
28	434
29	10
30	159
31	22
32	11
33	140
34	530
35	854
36	147
37	12
38	25
39	77
40	39
41	1938509
42	13
43	41
44	69
45	182
46	70
47	14
48	104
49	105
50	60
51	30
52	15
53	15
54	47
55	240
56	65274
57	6314
58	16
59	17009
60	33
61	50
62	68
63	17
64	264
65	371

[2, 1, 2, 2, 3, 3, 12, 4, 9, 5, 5, 30, 6, 6, 20, 14, 230, 23, 24, 8, 8, 35, 36, 9, 29, 90, 30, 434, 10, 159, 22, 11, 140, 530, 854, 147, 12, 25, 77, 39, 1938509, 13, 41, 69, 182, 70, 14, 104, 105, 60, 30, 15, 15, 47, 240, 65274, 6314, 16, 17009, 33, 50, 68, 17, 264, 371]

cp's OEIS Frontend

A225502 Least m > 0 such that prime(n)*triangular(m) is a triangular number, or 0 if no such m exists.

Table of values

List of values