A160921 - cp's OEIS frontend

A160921 Numbers k such that k / (A000005(k)*(A000005(k)+1)/2) is an integer.

n	a(n)
1	1
2	3
3	10
4	63
5	147
6	156
7	225
8	234
9	408
10	600
11	680
12	684
13	952
14	1014
15	1496
16	1500
17	1768
18	2176
19	2584
20	3128
21	3944
22	4216
23	4224
24	4275
25	5032
26	5576
27	5848
28	5880
29	6392
30	6498
31	6660
32	6875
33	7208
34	8024
35	8296
36	8379
37	9112
38	9324
39	9656
40	9840
41	9928

[1, 3, 10, 63, 147, 156, 225, 234, 408, 600, 680, 684, 952, 1014, 1496, 1500, 1768, 2176, 2584, 3128, 3944, 4216, 4224, 4275, 5032, 5576, 5848, 5880, 6392, 6498, 6660, 6875, 7208, 8024, 8296, 8379, 9112, 9324, 9656, 9840, 9928]

cp's OEIS Frontend

A160921 Numbers k such that k / (A000005(k)*(A000005(k)+1)/2) is an integer.

Table of values

List of values