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A171561 (n-th prime number)^(n-th non-single or nonisolated number) with duplicates removed. 3
1, 2, 3, 5, 7, 8, 11, 13, 17, 19, 23, 27, 29, 31, 32, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 125, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 243 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The definition is: numbers of the form A000040(i)^A167707(j), sorted, without repetition, any i,j>=1. [From R. J. Mathar, May 22 2010]

LINKS

Table of n, a(n) for n=1..60.

EXAMPLE

a(1)=2^0=1, a(2)=2^1=2, a(3)=3^1=3, a(4)=5^1=5, a(5)=7^1=7, a(6)=2^3=8.

CROSSREFS

Cf. A000040 (the prime numbers), A167707 (the non-single or nonisolated numbers).

Sequence in context: A079851 A060634 A279457 * A246551 A268391 A174895

Adjacent sequences:  A171558 A171559 A171560 * A171562 A171563 A171564

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Dec 11 2009, Dec 14 2009

EXTENSIONS

Entries checked by R. J. Mathar, May 22 2010

STATUS

approved

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Last modified April 24 12:21 EDT 2019. Contains 322429 sequences. (Running on oeis4.)