A025475 - cp's OEIS frontend

A025475 1 and the prime powers p^m where m >= 2, thus excluding the primes.

n	a(n)
1	1
2	4
3	8
4	9
5	16
6	25
7	27
8	32
9	49
10	64
11	81
12	121
13	125
14	128
15	169
16	243
17	256
18	289
19	343
20	361
21	512
22	529
23	625
24	729
25	841
26	961
27	1024
28	1331
29	1369
30	1681
31	1849
32	2048
33	2187
34	2197
35	2209
36	2401
37	2809
38	3125
39	3481
40	3721
41	4096
42	4489
43	4913
44	5041
45	5329
46	6241
47	6561
48	6859
49	6889
50	7921
51	8192

[1, 4, 8, 9, 16, 25, 27, 32, 49, 64, 81, 121, 125, 128, 169, 243, 256, 289, 343, 361, 512, 529, 625, 729, 841, 961, 1024, 1331, 1369, 1681, 1849, 2048, 2187, 2197, 2209, 2401, 2809, 3125, 3481, 3721, 4096, 4489, 4913, 5041, 5329, 6241, 6561, 6859, 6889, 7921, 8192]

cp's OEIS Frontend

A025475 1 and the prime powers p^m where m >= 2, thus excluding the primes.

Table of values

List of values