A206025 - cp's OEIS frontend

A206025 Triangular numbers k whose divisors can be partitioned into three disjoint sets whose sums are all sigma(k)/3.

n	a(n)
1	120
2	780
3	2016
4	3240
5	4560
6	5460
7	7140
8	7260
9	9180
10	10296
11	10440
12	12720
13	19110
14	21528
15	23220
16	26796
17	28680
18	28920
19	32640
20	34980
21	37128
22	39060
23	41328
24	49770
25	51360
26	56280
27	61776
28	64620
29	64980
30	73920
31	79800
32	97020
33	100128
34	103740
35	107880
36	114960
37	115440
38	122760

[120, 780, 2016, 3240, 4560, 5460, 7140, 7260, 9180, 10296, 10440, 12720, 19110, 21528, 23220, 26796, 28680, 28920, 32640, 34980, 37128, 39060, 41328, 49770, 51360, 56280, 61776, 64620, 64980, 73920, 79800, 97020, 100128, 103740, 107880, 114960, 115440, 122760]

cp's OEIS Frontend

A206025 Triangular numbers k whose divisors can be partitioned into three disjoint sets whose sums are all sigma(k)/3.

Table of values

List of values