A382055 - cp's OEIS frontend

A382055 a(n) = least positive integer m such that when m*(m+1) is written in base n, it does not contain the digits 0 or n-1 and contains every single digit from 1 to n-2 exactly once, or 0 if no such number exists.

n	a(n)
3	0
4	2
5	6
6	19
7	0
8	420
9	924
10	3672
11	0
12	78880
13	431493
14	2173950
15	0
16	71583429
17	436726936
18	2750336517
19	0
20	120521201887
21	833996387274
22	5932255141224
23	0
24	324116744376715
25	2483526997445916
26	19463766853506024
27	0
28	1274294107710603710
29	10627079743009611713
30	90335862784009245081
31	0

[0, 2, 6, 19, 0, 420, 924, 3672, 0, 78880, 431493, 2173950, 0, 71583429, 436726936, 2750336517, 0, 120521201887, 833996387274, 5932255141224, 0, 324116744376715, 2483526997445916, 19463766853506024, 0, 1274294107710603710, 10627079743009611713, 90335862784009245081, 0]

cp's OEIS Frontend

A382055 a(n) = least positive integer m such that when m*(m+1) is written in base n, it does not contain the digits 0 or n-1 and contains every single digit from 1 to n-2 exactly once, or 0 if no such number exists.

Table of values

List of values