A165617 - cp's OEIS frontend

A165617 a(n) is the number of positive integers k such that k is equal to the number of 1's in the digits of the base-n expansion of all positive integers <= k.

n	a(n)
2	2
3	4
4	8
5	4
6	21
7	5
8	45
9	49
10	83
11	10
12	269
13	11
14	202
15	412
16	479
17	15
18	1108
19	15
20	1545
21	1219
22	1343
23	21
24	8944
25	706
26	1043
27	5077
28	4084
29	28
30	27589
31	27
32	32160
33	10423
34	6689

[2, 4, 8, 4, 21, 5, 45, 49, 83, 10, 269, 11, 202, 412, 479, 15, 1108, 15, 1545, 1219, 1343, 21, 8944, 706, 1043, 5077, 4084, 28, 27589, 27, 32160, 10423, 6689]

cp's OEIS Frontend

A165617 a(n) is the number of positive integers k such that k is equal to the number of 1's in the digits of the base-n expansion of all positive integers <= k.

Table of values

List of values