OFFSET
3,1
COMMENTS
Any subsequent terms are > 10^10. - Lucas A. Brown, Dec 24 2022
LINKS
Lucas A. Brown, Python program.
Eric Weisstein's World of Mathematics, Centered Polygonal Number
EXAMPLE
a(5) = 912 because 912 has 5 centered pentagonal divisors {1, 6, 16, 76, 456} and this is the smallest such number.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Ilya Gutkovskiy, Nov 21 2022
EXTENSIONS
a(10)-a(11) from Martin Ehrenstein, Dec 04 2022
STATUS
approved