A087597 - cp's OEIS frontend

A087597 Triangular numbers m such that A040115(m) is also triangular.

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	21
7	28
8	36
9	45
10	55
11	66
12	78
13	105
14	171
15	465
16	528
17	561
18	666
19	2211
20	4465
21	7503
22	16836
23	18336
24	22791
25	44850
26	53628
27	55278
28	82621
29	105111
30	114003
31	333336
32	427350
33	828828
34	2220778
35	2256750
36	3136260
37	3373503
38	3454506
39	3927003
40	5443350
41	6175855
42	7552441

[0, 1, 3, 6, 10, 21, 28, 36, 45, 55, 66, 78, 105, 171, 465, 528, 561, 666, 2211, 4465, 7503, 16836, 18336, 22791, 44850, 53628, 55278, 82621, 105111, 114003, 333336, 427350, 828828, 2220778, 2256750, 3136260, 3373503, 3454506, 3927003, 5443350, 6175855, 7552441]

cp's OEIS Frontend

A087597 Triangular numbers m such that A040115(m) is also triangular.

Table of values

List of values