A381266 - cp's OEIS frontend

A381266 a(n) = least positive integer m such that when m*(m+1) is written in base n, it contains every single digit exactly once, or 0 if no such number exists.

n	a(n)
2	1
3	0
4	12
5	34
6	134
7	0
8	1477
9	6891
10	38627
11	0
12	891230
13	4874690
14	28507439
15	0
16	1078575795
17	7002987575
18	46916000817
19	0
20	2295911609450
21	16720559375850
22	124852897365573
23	0
24	7468470450367652
25	59705969514613035
26	487357094495846175
27	0
28	34452261762372201726
29	297930994005481958694

[1, 0, 12, 34, 134, 0, 1477, 6891, 38627, 0, 891230, 4874690, 28507439, 0, 1078575795, 7002987575, 46916000817, 0, 2295911609450, 16720559375850, 124852897365573, 0, 7468470450367652, 59705969514613035, 487357094495846175, 0, 34452261762372201726, 297930994005481958694]

cp's OEIS Frontend

A381266 a(n) = least positive integer m such that when m*(m+1) is written in base n, it contains every single digit exactly once, or 0 if no such number exists.

Table of values

List of values