A213710 - cp's OEIS frontend

A213710 Number of steps to reach 0 when starting from 2^n and iterating the map x -> x - (number of 1's in binary representation of x): a(n) = A071542(2^n) = A218600(n)+1.

n	a(n)
0	1
1	2
2	3
3	5
4	8
5	13
6	22
7	39
8	69
9	123
10	221
11	400
12	730
13	1344
14	2494
15	4656
16	8728
17	16406
18	30902
19	58320
20	110299
21	209099
22	397408
23	757297
24	1446946
25	2771952
26	5323983
27	10250572
28	19780123
29	38243221
30	74058514
31	143592685
32	278661809
33	541110612
34	1051158028
35	2042539461
36	3969857206

[1, 2, 3, 5, 8, 13, 22, 39, 69, 123, 221, 400, 730, 1344, 2494, 4656, 8728, 16406, 30902, 58320, 110299, 209099, 397408, 757297, 1446946, 2771952, 5323983, 10250572, 19780123, 38243221, 74058514, 143592685, 278661809, 541110612, 1051158028, 2042539461, 3969857206]

cp's OEIS Frontend

A213710 Number of steps to reach 0 when starting from 2^n and iterating the map x -> x - (number of 1's in binary representation of x): a(n) = A071542(2^n) = A218600(n)+1.

Table of values

List of values