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A107818 Slowest increasing sequence where (product of 2 consecutive integers)-1 is prime. 0
2, 3, 4, 5, 6, 7, 12, 14, 16, 17, 22 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Essentially the same as A070916. [From R. J. Mathar, Aug 24 2008]

LINKS

Table of n, a(n) for n=0..10.

EXAMPLE

(2*3)-1=5, which is prime; (3*4)-1=11=prime; (4*5)-1=19=prime; (5*6)-1=29=prime, etc.

CROSSREFS

Sequence in context: A028819 A234841 A108948 * A039952 A129978 A251556

Adjacent sequences:  A107815 A107816 A107817 * A107819 A107820 A107821

KEYWORD

base,easy,nonn

AUTHOR

Eric Angelini, Jun 11 2005

STATUS

approved

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Last modified October 17 08:36 EDT 2019. Contains 328107 sequences. (Running on oeis4.)