A382178 - cp's OEIS frontend

A382178 a(n) is the least k > 1 such that the factorial base expansion of k*n starts with that of n.

n	a(n)
0	2
1	2
2	3
3	3
4	3
5	3
6	4
7	18
8	18
9	17
10	17
11	16
12	4
13	19
14	19
15	18
16	18
17	101
18	4
19	115
20	114
21	110
22	110
23	18
24	5
25	203
26	199
27	192
28	189
29	183
30	28
31	187
32	27
33	179
34	177
35	1341
36	180
37	176
38	26
39	170
40	168
41	165
42	1320
43	168
44	1277
45	1251
46	162
47	159
48	5
49	1649
50	204
51	1598
52	1579
53	1551
54	200
55	197
56	195

[2, 2, 3, 3, 3, 3, 4, 18, 18, 17, 17, 16, 4, 19, 19, 18, 18, 101, 4, 115, 114, 110, 110, 18, 5, 203, 199, 192, 189, 183, 28, 187, 27, 179, 177, 1341, 180, 176, 26, 170, 168, 165, 1320, 168, 1277, 1251, 162, 159, 5, 1649, 204, 1598, 1579, 1551, 200, 197, 195]

cp's OEIS Frontend

A382178 a(n) is the least k > 1 such that the factorial base expansion of k*n starts with that of n.

Table of values

List of values