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A171520 a(n) = numbers m such that are not the product of k-th prime and k for any k >= 1. 1
1, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Complement of set {A(prime(n)*n)} = {A033286(n)} = {A(A000040(n)*A000027(n))}.

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Sequence in context: A055495 A072442 A063992 * A039233 A075748 A039177

Adjacent sequences:  A171517 A171518 A171519 * A171521 A171522 A171523

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Dec 11 2009

STATUS

approved

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Last modified May 19 14:59 EDT 2013. Contains 225432 sequences.