OFFSET
1,1
LINKS
FORMULA
MATHEMATICA
Prime[DivisorSigma[1, Range[60]]] (* Harvey P. Dale, May 10 2013 *)
PROG
(PARI) A067161(n) = prime(sigma(n)); \\ Antti Karttunen, Nov 16 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 19 2002
STATUS
approved