A112397 Primes of the form semiprime(n) + Fibonacci(n).

5, 7, 11, 13, 19, 23, 43, 59, 1033, 3928413764606871166057, 178890334785183168257455287892297, 13598018856492162040239554477268823, 505988662735923140767969869749836918999964413630219878131, 162926777992448823780908130212788963731840407743629812914361

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Mathematica

Module[{nn=3000, s, len, f}, s=Select[Range[nn], PrimeOmega[#]==2&]; len= Length[ s]; Select[Total/@Thread[{s, Fibonacci[Range[len]]}], PrimeQ]] (* Harvey P. Dale, May 02 2018 *)

Crossrefs

Cf. A001358, A000045.

Sequence in context: A216746 A084441 A180950 * A081759 A155053 A152468

Adjacent sequences: A112394 A112395 A112396 * A112398 A112399 A112400

Keyword

nonn

Author

Giovanni Teofilatto, Dec 06 2005

Extensions

Index in definition corrected and 5 terms added by R. J. Mathar Jun 28 2010

Status

approved