A316312 - cp's OEIS frontend

A316312 Numbers k such that the sum of the digits of the numbers 1, 2, 3, ... up to (k - 1) is divisible by k.

n	a(n)
1	1
2	3
3	5
4	7
5	9
6	12
7	15
8	20
9	27
10	40
11	45
12	60
13	63
14	80
15	81
16	100
17	180
18	181
19	300
20	360
21	363
22	500
23	540
24	545
25	700
26	720
27	727
28	900
29	909
30	912
31	915
32	1137
33	1140
34	1200
35	1500
36	1560
37	1563
38	2000
39	2700
40	2720
41	2727
42	4000
43	4500
44	4540
45	4545
46	6000
47	6300
48	6360
49	6363
50	8000
51	8100
52	8180

[1, 3, 5, 7, 9, 12, 15, 20, 27, 40, 45, 60, 63, 80, 81, 100, 180, 181, 300, 360, 363, 500, 540, 545, 700, 720, 727, 900, 909, 912, 915, 1137, 1140, 1200, 1500, 1560, 1563, 2000, 2700, 2720, 2727, 4000, 4500, 4540, 4545, 6000, 6300, 6360, 6363, 8000, 8100, 8180]

cp's OEIS Frontend

A316312 Numbers k such that the sum of the digits of the numbers 1, 2, 3, ... up to (k - 1) is divisible by k.

Table of values

List of values