A360388 - cp's OEIS frontend

A360388 Positive integers with binary expansion (b(1), ..., b(m)) such that Sum_{i = 1..m-k} b(i)*b(i+k) is odd for all k = 0..m-1.

n	a(n)
1	1
2	11
3	13
4	2787
5	3189
6	36783
7	37063
8	43331
9	47803
10	49813
11	56669
12	58121
13	62961
14	9205487
15	16215601
16	23070091
17	23248907
18	27264653
19	27475981
20	43469906355
21	55167946629
22	75985591407
23	80056245671
24	81489328999
25	83389490039
26	87235136243
27	88437433811
28	90400346819

[1, 11, 13, 2787, 3189, 36783, 37063, 43331, 47803, 49813, 56669, 58121, 62961, 9205487, 16215601, 23070091, 23248907, 27264653, 27475981, 43469906355, 55167946629, 75985591407, 80056245671, 81489328999, 83389490039, 87235136243, 88437433811, 90400346819]

cp's OEIS Frontend

A360388 Positive integers with binary expansion (b(1), ..., b(m)) such that Sum_{i = 1..m-k} b(i)*b(i+k) is odd for all k = 0..m-1.

Table of values

List of values