A061942 - cp's OEIS frontend

A061942 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 13 (most significant digit on right, least significant zeros not written).

n	a(n)
1	1
2	3
3	9
4	16
5	27
6	33
7	48
8	81
9	144
10	320
11	880
12	1041
13	2304
14	2645
15	8189
16	15368
17	29040
18	77864
19	80192
20	95568
21	551520
22	783408
23	1973640
24	2162592
25	2352811
26	2433557
27	7598977

[1, 3, 9, 16, 27, 33, 48, 81, 144, 320, 880, 1041, 2304, 2645, 8189, 15368, 29040, 77864, 80192, 95568, 551520, 783408, 1973640, 2162592, 2352811, 2433557, 7598977]

cp's OEIS Frontend

A061942 Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 13 (most significant digit on right, least significant zeros not written).

Table of values

List of values