A062559 - cp's OEIS frontend

A062559 A B2 sequence consisting of powers of primes but not primes: a(n) = least value from A025475 such that sequence increases and pairwise sums of distinct elements are all distinct.

n	a(n)
0	4
1	8
2	9
3	16
4	25
5	27
6	49
7	64
8	121
9	243
10	256
11	343
12	512
13	729
14	961
15	1024
16	1331
17	1369
18	1849
19	2048
20	2187
21	2197
22	2401
23	3125
24	3481
25	4096
26	4913
27	5329
28	6561
29	6859
30	6889
31	8192
32	10201
33	12769
34	14641
35	15625
36	16384
37	16807
38	19683
39	22201
40	22801
41	27889
42	28561
43	29791
44	32768

[4, 8, 9, 16, 25, 27, 49, 64, 121, 243, 256, 343, 512, 729, 961, 1024, 1331, 1369, 1849, 2048, 2187, 2197, 2401, 3125, 3481, 4096, 4913, 5329, 6561, 6859, 6889, 8192, 10201, 12769, 14641, 15625, 16384, 16807, 19683, 22201, 22801, 27889, 28561, 29791, 32768]

cp's OEIS Frontend

A062559 A B2 sequence consisting of powers of primes but not primes: a(n) = least value from A025475 such that sequence increases and pairwise sums of distinct elements are all distinct.

Table of values

List of values