A255061 - cp's OEIS frontend

A255061 Number of steps to reach 0 when starting from (2^n)-2 and iterating the map x -> x - (number of runs in binary representation of x): a(n) = A255072(A000918(n)).

n	a(n)
1	0
2	1
3	3
4	6
5	11
6	20
7	36
8	65
9	118
10	215
11	393
12	721
13	1329
14	2463
15	4589
16	8590
17	16142
18	30434
19	57549
20	109114
21	207388
22	395045
23	754027
24	1441971
25	2762764
26	5303466
27	10200385
28	19656528
29	37948281
30	73384080
31	142115376
32	275551755
33	534790472
34	1038702980
35	2018626772
36	3924923937
37	7634733312

[0, 1, 3, 6, 11, 20, 36, 65, 118, 215, 393, 721, 1329, 2463, 4589, 8590, 16142, 30434, 57549, 109114, 207388, 395045, 754027, 1441971, 2762764, 5303466, 10200385, 19656528, 37948281, 73384080, 142115376, 275551755, 534790472, 1038702980, 2018626772, 3924923937, 7634733312]

cp's OEIS Frontend

A255061 Number of steps to reach 0 when starting from (2^n)-2 and iterating the map x -> x - (number of runs in binary representation of x): a(n) = A255072(A000918(n)).

Table of values

List of values