A000975 - cp's OEIS frontend

A000975 a(2n) = 2a(2n-1), a(2n+1) = 2a(2n)+1 (also a(n) is the n-th number without consecutive equal binary digits).

n	a(n)
0	0
1	1
2	2
3	5
4	10
5	21
6	42
7	85
8	170
9	341
10	682
11	1365
12	2730
13	5461
14	10922
15	21845
16	43690
17	87381
18	174762
19	349525
20	699050
21	1398101
22	2796202
23	5592405
24	11184810
25	22369621
26	44739242
27	89478485
28	178956970
29	357913941
30	715827882
31	1431655765
32	2863311530
33	5726623061
34	11453246122

[0, 1, 2, 5, 10, 21, 42, 85, 170, 341, 682, 1365, 2730, 5461, 10922, 21845, 43690, 87381, 174762, 349525, 699050, 1398101, 2796202, 5592405, 11184810, 22369621, 44739242, 89478485, 178956970, 357913941, 715827882, 1431655765, 2863311530, 5726623061, 11453246122]

cp's OEIS Frontend

A000975 a(2n) = 2a(2n-1), a(2n+1) = 2a(2n)+1 (also a(n) is the n-th number without consecutive equal binary digits).

Table of values

List of values

cp's OEIS Frontend

A000975 a(2n) = 2*a(2n-1), a(2n+1) = 2*a(2n)+1 (also a(n) is the n-th number without consecutive equal binary digits).

Table of values

List of values

A000975 a(2n) = 2a(2n-1), a(2n+1) = 2a(2n)+1 (also a(n) is the n-th number without consecutive equal binary digits).