A247871 Least prime factor of A247679

5, 5, 11, 7, 5, 7, 5, 17, 11, 13, 5, 7, 5, 7, 5, 13, 17, 5, 11, 5, 7, 5, 29, 7, 5, 23, 19, 5, 7, 13, 5, 11, 7, 5, 17, 5, 13, 11, 19, 5, 23, 7, 31, 5, 11, 7, 5, 5, 7, 19, 11, 5, 41, 13, 7, 23, 5, 17, 5, 29, 37, 5, 19, 7, 5, 11, 17, 7, 5, 23, 13, 5, 7, 11, 5, 7, 5, 13, 41, 11, 43, 5, 31, 37, 5, 7, 11, 5, 17, 7, 5, 5, 7, 13, 29, 5

Offset

1,1

Links

Odimar Fabeny, Table of n, a(n) for n = 1..10000

Mathematica

FactorInteger[#][[1, 1]]&/@Select[Range[17, 4000, 18], CompositeQ] (* Harvey P. Dale, Jun 19 2022 *)

Crossrefs

Cf. A056608, A247679.

Sequence in context: A087033 A175902 A079305 * A204902 A151728 A130889

Adjacent sequences: A247868 A247869 A247870 * A247872 A247873 A247874

Keyword

nonn,easy

Author

Odimar Fabeny, Sep 25 2014

Status

approved