A029506 - cp's OEIS frontend

A029506 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 13 (most significant digit on right).

n	a(n)
1	1
2	3
3	9
4	15
5	21
6	25
7	35
8	47
9	48
10	87
11	240
12	320
13	672
14	896
15	1760
16	2592
17	2688
18	3659
19	5152
20	15456
21	16800
22	53200
23	60288
24	75360
25	92605
26	92736
27	121600
28	189648
29	204176
30	334827
31	382368
32	401472
33	443919
34	1070720
35	1836855
36	2010432
37	4384128
38	5566077

[1, 3, 9, 15, 21, 25, 35, 47, 48, 87, 240, 320, 672, 896, 1760, 2592, 2688, 3659, 5152, 15456, 16800, 53200, 60288, 75360, 92605, 92736, 121600, 189648, 204176, 334827, 382368, 401472, 443919, 1070720, 1836855, 2010432, 4384128, 5566077]

cp's OEIS Frontend

A029506 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 13 (most significant digit on right).

Table of values

List of values