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A242463 A152466(n) + 1. 0
253, 2773, 130285, 651421, 219528541, 257067920341, 4370154645781, 292800361267261, 11023640801351071741, 13475008472558425746927448861, 5107028211099643358085503117941, 1313771981231475489737485570488833367541 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: this sequence has no prime numbers.

A152466(n+1) = A152466(n) * (smallest prime factor of a(n)).

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

A152466(1) = 252, a(1) = 252 + 1 = 253.

CROSSREFS

Cf. A152466.

Sequence in context: A123013 A183449 A225021 * A271985 A255182 A176087

Adjacent sequences:  A242460 A242461 A242462 * A242464 A242465 A242466

KEYWORD

nonn

AUTHOR

J. Lowell, May 15 2014

STATUS

approved

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Last modified July 31 22:21 EDT 2021. Contains 346377 sequences. (Running on oeis4.)