A357416 - cp's OEIS frontend

A357416 Number of nonempty subsets of {1..n} whose elements have an even root mean square.

n	a(n)
1	0
2	1
3	1
4	2
5	2
6	3
7	3
8	4
9	8
10	11
11	13
12	26
13	46
14	81
15	169
16	284
17	482
18	857
19	1461
20	2548
21	4370
22	7917
23	14181
24	25648
25	47330
26	87457
27	163291
28	302678
29	568974
30	1064393
31	1993805
32	3742588
33	7030646
34	13231519
35	24871349
36	46994382
37	88657700
38	167876827
39	318263561
40	604694212
41	1150634498

[0, 1, 1, 2, 2, 3, 3, 4, 8, 11, 13, 26, 46, 81, 169, 284, 482, 857, 1461, 2548, 4370, 7917, 14181, 25648, 47330, 87457, 163291, 302678, 568974, 1064393, 1993805, 3742588, 7030646, 13231519, 24871349, 46994382, 88657700, 167876827, 318263561, 604694212, 1150634498]

cp's OEIS Frontend

A357416 Number of nonempty subsets of {1..n} whose elements have an even root mean square.

Table of values

List of values