OFFSET
1,1
COMMENTS
Terms calculated by M. F. Hasler.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
MATHEMATICA
Transpose[Select[Partition[Range[3000], 3, 1], DivisorSigma[0, First[#]]== DivisorSigma[0, Last[#]]DivisorSigma[0, #[[2]]]&]][[1]] (* Harvey P. Dale, Apr 08 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Feb 13 2010
STATUS
approved