A112551 k sequence associated with A112550.

168, 1242, 3042, 492, 30012, 171480, 2299722, 5052450

Offset

2,1

Links

Table of n, a(n) for n=2..9.

Example

168*41^2-1=282407, 282407 and 282409 are twin primes so k(2)=168

Crossrefs

See prime sequence in A112550

Sequence in context: A235071 A235064 A070835 * A303622 A263121 A216107

Adjacent sequences: A112548 A112549 A112550 * A112552 A112553 A112554

Keyword

nonn

Author

Pierre CAMI, Sep 13 2005

Status

approved