A215488 - cp's OEIS frontend

A215488 a(0)=1, a(n) = a(n-1) + a(2*n AND n), where AND is the bitwise AND operator.

n	a(n)
0	1
1	2
2	3
3	6
4	7
5	8
6	15
7	30
8	31
9	32
10	33
11	36
12	67
13	98
14	165
15	330
16	331
17	332
18	333
19	336
20	337
21	338
22	345
23	360
24	691
25	1022
26	1353
27	1686
28	2377
29	3068
30	5445
31	10890
32	10891
33	10892
34	10893
35	10896
36	10897
37	10898
38	10905
39	10920
40	10921
41	10922
42	10923
43	10926
44	10957
45	10988
46	11055
47	11220
48	22111
49	33002

[1, 2, 3, 6, 7, 8, 15, 30, 31, 32, 33, 36, 67, 98, 165, 330, 331, 332, 333, 336, 337, 338, 345, 360, 691, 1022, 1353, 1686, 2377, 3068, 5445, 10890, 10891, 10892, 10893, 10896, 10897, 10898, 10905, 10920, 10921, 10922, 10923, 10926, 10957, 10988, 11055, 11220, 22111, 33002]

cp's OEIS Frontend

A215488 a(0)=1, a(n) = a(n-1) + a(2*n AND n), where AND is the bitwise AND operator.

Table of values

List of values