A270345 - cp's OEIS frontend

A270345 Composite integers n such that the sum of the Pell numbers A000129(0) + ... + A000129(n-1) is divisible by n.

n	a(n)
1	4
2	8
3	16
4	24
5	32
6	48
7	64
8	72
9	96
10	120
11	128
12	144
13	168
14	169
15	192
16	216
17	240
18	256
19	264
20	272
21	288
22	336
23	360
24	384
25	385
26	432
27	480
28	504
29	512
30	528
31	544
32	576
33	600
34	648
35	672
36	720
37	768
38	792
39	816
40	840
41	864
42	960
43	961
44	1008
45	1024
46	1056
47	1080
48	1088
49	1105
50	1121
51	1152
52	1176
53	1200
54	1296
55	1320
56	1344

[4, 8, 16, 24, 32, 48, 64, 72, 96, 120, 128, 144, 168, 169, 192, 216, 240, 256, 264, 272, 288, 336, 360, 384, 385, 432, 480, 504, 512, 528, 544, 576, 600, 648, 672, 720, 768, 792, 816, 840, 864, 960, 961, 1008, 1024, 1056, 1080, 1088, 1105, 1121, 1152, 1176, 1200, 1296, 1320, 1344]

cp's OEIS Frontend

A270345 Composite integers n such that the sum of the Pell numbers A000129(0) + ... + A000129(n-1) is divisible by n.

Table of values

List of values