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A163619 Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n. 0
2, 8, 9, 20, 32, 98, 125, 128, 169, 464, 512, 729, 961, 1280, 2048, 2108, 5252, 8000, 8192, 9728, 15872, 16807, 18176, 22385, 32768, 36992, 50000, 53792, 59049, 78821, 81920, 97556, 98125, 100352, 124659, 131072, 195129, 219488, 223040, 307328 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms of this sequence are in sequence A073606.

LINKS

Table of n, a(n) for n=1..40.

EXAMPLE

20 is divisible by the primes 2 and 5. q(2) = 3, and q(5)=7. 20+1 = 21 is divisible by both 3 and 7, so 20 is in this sequence.

CROSSREFS

A073606

Sequence in context: A073413 A046681 A259672 * A166968 A075644 A088825

Adjacent sequences:  A163616 A163617 A163618 * A163620 A163621 A163622

KEYWORD

nonn

AUTHOR

Leroy Quet, Aug 01 2009

EXTENSIONS

More terms from Sean A. Irvine, Oct 04 2009

STATUS

approved

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Last modified June 17 12:26 EDT 2021. Contains 345080 sequences. (Running on oeis4.)