OFFSET
1,2
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..65
EXAMPLE
26 is in the sequence because the sum of divisors of 26 is 1 + 2 + 13 + 26 = 42 and 42 is a partition number because the number of partitions of 10 is equal to 42.
MATHEMATICA
(* To extend the search beyond 50400, be sure to increase the length of partNums accordingly *) partNums = PartionsP[Range[50]]; Select[Range[100], MemberQ[partNums, DivisorSigma[1, #]] &] (* Alonso del Arte, Dec 24 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Dec 24 2014
EXTENSIONS
a(11)-a(16) from Alonso del Arte, Dec 24 2014
More terms from Michel Marcus, Dec 27 2014
STATUS
approved