A259658 - cp's OEIS frontend

A259658 Let f(x) be the absolute value of the difference between x and its base-2 reversal. Let g(x) be the number of times f(x) must be applied to x for the result to be 0. a(n) is the smallest value of x for which g(x) is n.

n	a(n)
0	0
1	1
2	2
3	11
4	38
5	271
6	544
7	2093
8	2624
9	8607
10	17984
11	35343
12	35904
13	70671
14	71744
15	141327
16	143424
17	282639
18	286784
19	565263
20	573504
21	1130511
22	1146944
23	2261007
24	2293824
25	4521999
26	4587584
27	9043983
28	9175104
29	18087951
30	18350144
31	36175887
32	36700224
33	72351759
34	73400384

[0, 1, 2, 11, 38, 271, 544, 2093, 2624, 8607, 17984, 35343, 35904, 70671, 71744, 141327, 143424, 282639, 286784, 565263, 573504, 1130511, 1146944, 2261007, 2293824, 4521999, 4587584, 9043983, 9175104, 18087951, 18350144, 36175887, 36700224, 72351759, 73400384]

cp's OEIS Frontend

A259658 Let f(x) be the absolute value of the difference between x and its base-2 reversal. Let g(x) be the number of times f(x) must be applied to x for the result to be 0. a(n) is the smallest value of x for which g(x) is n.

Table of values

List of values