A357415 - cp's OEIS frontend

A357415 Number of nonempty subsets of {1..n} whose elements have an odd root mean square.

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	6
8	6
9	7
10	9
11	16
12	26
13	41
14	85
15	142
16	254
17	461
18	825
19	1454
20	2506
21	4535
22	7987
23	14352
24	26178
25	47861
26	87945
27	162486
28	304864
29	565217
30	1064529
31	1992628
32	3742934
33	7034489
34	13214869
35	24924676
36	46926388
37	88812537
38	167903969
39	318619708
40	604909434
41	1150800393

[1, 1, 2, 2, 3, 3, 6, 6, 7, 9, 16, 26, 41, 85, 142, 254, 461, 825, 1454, 2506, 4535, 7987, 14352, 26178, 47861, 87945, 162486, 304864, 565217, 1064529, 1992628, 3742934, 7034489, 13214869, 24924676, 46926388, 88812537, 167903969, 318619708, 604909434, 1150800393]

cp's OEIS Frontend

A357415 Number of nonempty subsets of {1..n} whose elements have an odd root mean square.

Table of values

List of values