A124659 Twin prime products minus 2.

13, 33, 141, 321, 897, 1761, 3597, 5181, 10401, 11661, 19041, 22497, 32397, 36861, 39201, 51981, 57597, 72897, 79521, 97341, 121101, 176397, 186621, 213441, 272481, 324897, 359997, 381921, 412161, 435597, 656097, 675681, 685581, 736161, 777921

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Times@@#-2&/@Select[Partition[Prime[Range[200]], 2, 1], #[[2]]-#[[1]]==2&] (* Harvey P. Dale, Nov 11 2020 *)

Prog

(PARI) g(n) = forprime(x=1, n, if(isprime(x+2), y=x*(x+2)-2; print1(y", ")))

Crossrefs

Sequence in context: A146194 A204707 A282686 * A164539 A245170 A134864

Adjacent sequences: A124656 A124657 A124658 * A124660 A124661 A124662

Keyword

easy,nonn

Author

Cino Hilliard, Dec 27 2006

Status

approved