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A054758 a(n) is the smallest multiplier so that A002110(n)*w+Prime(n+1)^2 is prime. +0
5
1, 1, 1, 1, 2, 1, 2, 3, 2, 8, 5, 4, 1, 6, 3, 13, 7, 2, 1, 6, 2, 3, 5, 7, 7, 8, 31, 1, 22, 6, 60, 20, 12, 5, 2, 12, 5, 16, 7, 20, 1, 2, 14, 42, 23, 16, 13, 30, 53, 5, 7, 36, 10, 10, 67, 6, 2, 40, 24, 3, 28, 59, 6, 4, 76, 1, 74, 5, 30, 16, 2, 39, 6, 56, 138, 3, 22, 37, 11, 8, 35, 102, 156 (list; graph; listen)
OFFSET

1,5

COMMENT

For n=1,2,3,4,5,13,19,28,41,66,85,... A002110[n]+Prime[n+1]^2 is a prime, that is the multiplier: w=1.

EXAMPLE

2310+169=2479=37*67=2.3.5.7.11+13^2 is not prime but 2*2310+169=4789 is a prime.

CROSSREFS

A002110.

Sequence in context: A082304 A035368 A107853 this_sequence A077876 A095056 A140575

Adjacent sequences: A054755 A054756 A054757 this_sequence A054759 A054760 A054761

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Apr 25 2000

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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