A029485 - cp's OEIS frontend

A029485 Numbers k that divide the (left) concatenation of all numbers <= k written in base 16 (most significant digit on left).

n	a(n)
1	1
2	3
3	5
4	9
5	15
6	25
7	75
8	257
9	321
10	435
11	795
12	1285
13	2313
14	8523
15	39759
16	60855
17	91209
18	247875
19	251385
20	2695341
21	5095725
22	9529505
23	12179807
24	12341125
25	57965805
26	1380206235
27	15616692345
28	22548618825
29	26313971049

[1, 3, 5, 9, 15, 25, 75, 257, 321, 435, 795, 1285, 2313, 8523, 39759, 60855, 91209, 247875, 251385, 2695341, 5095725, 9529505, 12179807, 12341125, 57965805, 1380206235, 15616692345, 22548618825, 26313971049]

cp's OEIS Frontend

A029485 Numbers k that divide the (left) concatenation of all numbers <= k written in base 16 (most significant digit on left).

Table of values

List of values