OFFSET
1,1
COMMENTS
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
MATHEMATICA
FactorInteger[#][[-1, 1]]&/@((#-1)(#+1)&/@Prime[Range[80]]) (* Harvey P. Dale, Oct 26 2019 *)
PROG
(Haskell)
a087713 = a006530 . a084920 -- Reinhard Zumkeller, Aug 27 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 28 2003
EXTENSIONS
Definition clarified by Harvey P. Dale, Oct 26 2019
STATUS
approved