A327475 - cp's OEIS frontend

A327475 Number of subsets of {1..n} whose mean is an integer, where {} has mean 0.

n	a(n)
0	1
1	2
2	3
3	6
4	9
5	16
6	27
7	46
8	77
9	136
10	239
11	426
12	769
13	1400
14	2571
15	4762
16	8857
17	16568
18	31139
19	58734
20	111165
21	211044
22	401695
23	766418
24	1465489
25	2807672
26	5388783
27	10359850
28	19946833
29	38459624
30	74251095
31	143524762
32	277742489
33	538043664
34	1043333935
35	2025040766
36	3933915349

[1, 2, 3, 6, 9, 16, 27, 46, 77, 136, 239, 426, 769, 1400, 2571, 4762, 8857, 16568, 31139, 58734, 111165, 211044, 401695, 766418, 1465489, 2807672, 5388783, 10359850, 19946833, 38459624, 74251095, 143524762, 277742489, 538043664, 1043333935, 2025040766, 3933915349]

cp's OEIS Frontend

A327475 Number of subsets of {1..n} whose mean is an integer, where {} has mean 0.

Table of values

List of values