OFFSET
1,1
COMMENTS
a(n)^2 = A083408(k) for some k.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..4679 (n = 1..54 from Hans Havermann)
Shyam Sunder Gupta, EPRNs
EXAMPLE
27972 is in the sequence because 782432784 = 27972*27972 = 15984*48951.
1113111 is in the sequence because 1239016098321 = 1113111*1113111 = 1022121*1212201.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, Apr 23 2006
EXTENSIONS
Edited and corrected by Klaus Brockhaus, Aug 21 2007
Edited by N. J. A. Sloane, Aug 01 2019
STATUS
approved