A068011 - cp's OEIS frontend

A068011 Number of subsets of {1,2,3,...,n} that sum to 0 mod 5.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	8
6	14
7	26
8	52
9	104
10	208
11	412
12	820
13	1640
14	3280
15	6560
16	13112
17	26216
18	52432
19	104864
20	209728
21	419440
22	838864
23	1677728
24	3355456
25	6710912
26	13421792
27	26843552
28	53687104
29	107374208
30	214748416
31	429496768
32	858993472
33	1717986944
34	3435973888
35	6871947776

[1, 1, 1, 2, 4, 8, 14, 26, 52, 104, 208, 412, 820, 1640, 3280, 6560, 13112, 26216, 52432, 104864, 209728, 419440, 838864, 1677728, 3355456, 6710912, 13421792, 26843552, 53687104, 107374208, 214748416, 429496768, 858993472, 1717986944, 3435973888, 6871947776]

cp's OEIS Frontend

A068011 Number of subsets of {1,2,3,...,n} that sum to 0 mod 5.

Table of values

List of values