A068043 - cp's OEIS frontend

A068043 Number of subsets of {1,2,3,...,n} that sum to 0 mod 25.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	10
9	23
10	43
11	82
12	164
13	328
14	656
15	1312
16	2622
17	5243
18	10486
19	20972
20	41945
21	83887
22	167773
23	335546
24	671092
25	1342184
26	2684360
27	5368712
28	10737422
29	21474842
30	42949682
31	85899350
32	171798690
33	343597388
34	687194782
35	1374389558

[1, 1, 1, 1, 1, 1, 1, 3, 10, 23, 43, 82, 164, 328, 656, 1312, 2622, 5243, 10486, 20972, 41945, 83887, 167773, 335546, 671092, 1342184, 2684360, 5368712, 10737422, 21474842, 42949682, 85899350, 171798690, 343597388, 687194782, 1374389558]

cp's OEIS Frontend

A068043 Number of subsets of {1,2,3,...,n} that sum to 0 mod 25.

Table of values

List of values