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A275630 a(n) = product of distinct primes dividing prime(n)^2 - 1. 1
3, 2, 6, 6, 30, 42, 6, 30, 66, 210, 30, 114, 210, 462, 138, 78, 870, 930, 1122, 210, 222, 390, 1722, 330, 42, 510, 1326, 318, 330, 798, 42, 4290, 2346, 4830, 1110, 570, 6162, 246, 3486, 7482, 2670, 2730, 570, 582, 462, 330, 11130, 1554, 12882, 13110, 2262, 3570, 330, 210, 258, 8646, 2010 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Subsequence of A007947.

Sequence in context: A225367 A283479 A087237 * A102004 A233208 A196518

Adjacent sequences:  A275627 A275628 A275629 * A275631 A275632 A275633

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 07 2016

STATUS

approved

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Last modified June 16 12:38 EDT 2019. Contains 324152 sequences. (Running on oeis4.)