A326027 - cp's OEIS frontend

A326027 Number of nonempty subsets of {1..n} whose geometric mean is an integer.

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	7
6	8
7	9
8	12
9	19
10	20
11	21
12	28
13	29
14	30
15	31
16	40
17	41
18	70
19	71
20	74
21	75
22	76
23	77
24	108
25	123
26	124
27	211
28	214
29	215
30	216
31	217
32	332
33	333
34	334
35	335
36	592
37	593
38	594
39	595
40	612
41	613
42	614
43	615
44	618
45	639
46	640
47	641
48	1160
49	1183
50	1324
51	1325
52	1328
53	1329
54	2176
55	2177
56	2196
57	2197
58	2198
59	2199
60	2414
61	2415
62	2416
63	2443
64	4000
65	4001
66	4002
67	4003
68	4006
69	4007
70	4008
71	4009
72	6626
73	6627
74	6628
75	9753
76	9756
77	9757
78	9758
79	9759
80	11136

[0, 1, 2, 3, 6, 7, 8, 9, 12, 19, 20, 21, 28, 29, 30, 31, 40, 41, 70, 71, 74, 75, 76, 77, 108, 123, 124, 211, 214, 215, 216, 217, 332, 333, 334, 335, 592, 593, 594, 595, 612, 613, 614, 615, 618, 639, 640, 641, 1160, 1183, 1324, 1325, 1328, 1329, 2176, 2177, 2196, 2197, 2198, 2199, 2414, 2415, 2416, 2443, 4000, 4001, 4002, 4003, 4006, 4007, 4008, 4009, 6626, 6627, 6628, 9753, 9756, 9757, 9758, 9759, 11136]

cp's OEIS Frontend

A326027 Number of nonempty subsets of {1..n} whose geometric mean is an integer.

Table of values

List of values