A014850 - cp's OEIS frontend

A014850 Numbers k that divide s(k), where s(1)=1, s(j)=3*s(j-1)+j.

n	a(n)
1	1
2	3
3	39
4	507
5	6591
6	12207
7	85683
8	158691
9	255567
10	285987
11	1028703
12	1113879
13	2062983
14	3322371
15	3717831
16	3820791
17	13373139
18	14480427
19	26818779
20	31089279
21	43190823
22	48331803
23	49670283
24	79992471
25	89513931
26	173850807
27	188245551
28	321984039
29	348644127
30	404160627
31	561480699
32	628313439
33	645713679

[1, 3, 39, 507, 6591, 12207, 85683, 158691, 255567, 285987, 1028703, 1113879, 2062983, 3322371, 3717831, 3820791, 13373139, 14480427, 26818779, 31089279, 43190823, 48331803, 49670283, 79992471, 89513931, 173850807, 188245551, 321984039, 348644127, 404160627, 561480699, 628313439, 645713679]

cp's OEIS Frontend

A014850 Numbers k that divide s(k), where s(1)=1, s(j)=3*s(j-1)+j.

Table of values

List of values