OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Pronic Number
EXAMPLE
From Jesse Sealand, Oct 07 2019: (Start)
a(1) = 2 since A002378(2) = 6;
a(2) = 60 since A002378(60) = 3660;
a(3) = 257 since A002378(257) = 66306;
a(4) = 816 since A002378(816) = 666672, etc.
(End).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, May 15 1999
EXTENSIONS
a(14)-a(16) from Lars Blomberg, Jun 10 2011
Name edited by Jesse Sealand, Oct 07 2019
a(17) from Giovanni Resta, Oct 09 2019
a(18)-a(25) from Max Alekseyev, Jul 25 2024
STATUS
approved