A261171 - cp's OEIS frontend

A261171 Value of k for which A260871(n) = A[b](k), with b = A261172(n); A[b](k) = the number whose base-b representation is the concatenation of the base-b representations of (1, ..., k, k-1, ..., 1).

n	a(n)
1	2
2	3
3	4
4	4
5	5
6	6
7	9
8	10
9	13
10	16
11	16
12	21
13	23
14	23
15	29
16	28
17	38
18	39
19	33
20	34
21	41
22	40
23	37
24	37
25	41
26	42
27	44
28	64
29	77
30	82
31	75
32	83
33	83
34	87
35	104
36	104
37	86
38	94

[2, 3, 4, 4, 5, 6, 9, 10, 13, 16, 16, 21, 23, 23, 29, 28, 38, 39, 33, 34, 41, 40, 37, 37, 41, 42, 44, 64, 77, 82, 75, 83, 83, 87, 104, 104, 86, 94]