OFFSET
1,1
COMMENTS
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
PROG
(Haskell)
a219603 n = a000040 n * a031368 n
(PARI) a(n)=prime(n) * prime(2*n-1) \\ Charles R Greathouse IV, Feb 07 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 25 2012
STATUS
approved