A074285 - cp's OEIS frontend

A074285 Sum of the divisors of n-th triangular number.

n	a(n)
1	1
2	4
3	12
4	18
5	24
6	32
7	56
8	91
9	78
10	72
11	144
12	168
13	112
14	192
15	360
16	270
17	234
18	260
19	360
20	576
21	384
22	288
23	672
24	868
25	434
26	560
27	960
28	720
29	720
30	768
31	992
32	1488
33	864
34	864
35	1872
36	1482
37	760
38	1120
39	2352
40	1764
41	1344
42	1408
43	1584
44	2808
45	1872
46	1152
47	2880
48	3420
49	1767
50	2232

[1, 4, 12, 18, 24, 32, 56, 91, 78, 72, 144, 168, 112, 192, 360, 270, 234, 260, 360, 576, 384, 288, 672, 868, 434, 560, 960, 720, 720, 768, 992, 1488, 864, 864, 1872, 1482, 760, 1120, 2352, 1764, 1344, 1408, 1584, 2808, 1872, 1152, 2880, 3420, 1767, 2232]

cp's OEIS Frontend

A074285 Sum of the divisors of n-th triangular number.

Table of values

List of values