A382945 - cp's OEIS frontend

A382945 a(n) is the least positive integer k having a divisor d such that k/d is not a power of n and the base n expansions of k and d, possibly with leading zeros, have, up to order, the same digits.

n	a(n)
2	9
3	28
4	18
5	16
6	40
7	36
8	42
9	64
10	105
11	45
12	154
13	105
14	130
15	168
16	260
17	120
18	340
19	96
20	266
21	275
22	495
23	231
24	460
25	351
26	450
27	273
28	792
29	175
30	928
31	280
32	682
33	1024
34	308
35	459
36	1302
37	741
38	962
39	665
40	1612
41	288
42	1804
43	560
44	1290
45	1265
46	2139
47	1035
48	1974
49	540
50	952
51	715
52	2720
53	585

[9, 28, 18, 16, 40, 36, 42, 64, 105, 45, 154, 105, 130, 168, 260, 120, 340, 96, 266, 275, 495, 231, 460, 351, 450, 273, 792, 175, 928, 280, 682, 1024, 308, 459, 1302, 741, 962, 665, 1612, 288, 1804, 560, 1290, 1265, 2139, 1035, 1974, 540, 952, 715, 2720, 585]

cp's OEIS Frontend

A382945 a(n) is the least positive integer k having a divisor d such that k/d is not a power of n and the base n expansions of k and d, possibly with leading zeros, have, up to order, the same digits.

Table of values

List of values