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A063086 GCD[1+p(n+1),1+p(n)] where p(n) is the n-th prime. +0
1
1, 2, 2, 4, 2, 2, 2, 4, 6, 2, 2, 2, 2, 4, 6, 6, 2, 2, 4, 2, 2, 4, 6, 2, 2, 2, 4, 2, 2, 2, 4, 6, 2, 10, 2, 2, 2, 4, 6, 6, 2, 2, 2, 2, 2, 4, 4, 4, 2, 2, 6, 2, 2, 6, 6, 6, 2, 2, 2, 2, 2, 14, 4, 2, 2, 2, 2, 2, 2, 2, 6, 8, 2, 2, 4, 6, 2, 2, 2, 10, 2, 2, 2, 2, 4, 6, 2, 2, 2, 4, 12, 8, 4, 4, 4, 6, 6, 2, 2, 2, 2, 6 (list; graph; listen)
OFFSET

1,2

EXAMPLE

n=34, GCD[1+139,1+149]=10=a(34)

CROSSREFS

A058263.

Adjacent sequences: A063083 A063084 A063085 this_sequence A063087 A063088 A063089

Sequence in context: A097884 A094818 A114233 this_sequence A077636 A057000 A090047

KEYWORD

easy,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Aug 06 2001

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.


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