A225855 - cp's OEIS frontend

A225855 Difference between the number of nonnegative evil and odious multiples of n less than 2^n.

n	a(n)
1	-1
2	-1
3	3
4	-1
5	5
6	9
7	-7
8	-1
9	27
10	25
11	11
12	162
13	13
14	49
15	521
16	-1
17	697
18	2196
19	19
20	625
21	8435
22	121
23	-23
24	59049
25	3120
26	169
27	177147
28	2401
29	29
30	982635
31	-237367
32	-1
33	3958307
34	781745
35	121691
36	28697814
37	37
38	361
39	89405461
40	1953125

[-1, -1, 3, -1, 5, 9, -7, -1, 27, 25, 11, 162, 13, 49, 521, -1, 697, 2196, 19, 625, 8435, 121, -23, 59049, 3120, 169, 177147, 2401, 29, 982635, -237367, -1, 3958307, 781745, 121691, 28697814, 37, 361, 89405461, 1953125]

cp's OEIS Frontend

A225855 Difference between the number of nonnegative evil and odious multiples of n less than 2^n.

Table of values

List of values