A339454 - cp's OEIS frontend

A339454 Number of subsets of {1..n} whose root mean square is an integer.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	9
8	10
9	15
10	20
11	29
12	52
13	87
14	166
15	311
16	538
17	943
18	1682
19	2915
20	5054
21	8905
22	15904
23	28533
24	51826
25	95191
26	175402
27	325777
28	607542
29	1134191
30	2128922
31	3986433
32	7485522
33	14065135
34	26446388
35	49796025
36	93920770
37	177470237
38	335780796
39	636883269
40	1209603646

[1, 2, 3, 4, 5, 6, 9, 10, 15, 20, 29, 52, 87, 166, 311, 538, 943, 1682, 2915, 5054, 8905, 15904, 28533, 51826, 95191, 175402, 325777, 607542, 1134191, 2128922, 3986433, 7485522, 14065135, 26446388, 49796025, 93920770, 177470237, 335780796, 636883269, 1209603646]

cp's OEIS Frontend

A339454 Number of subsets of {1..n} whose root mean square is an integer.

Table of values

List of values