OFFSET

1,3

COMMENTS

Any subsequent terms are > 10^10. - Lucas A. Brown, Jan 06 2023

LINKS

EXAMPLE

55 has 2 triangular divisors {1, 55}, 56 has 2 triangular divisors {1, 28} and 57 has 2 triangular divisors {1, 3}. These are the first 3 consecutive numbers with the same number of triangular divisors, so a(3) = 55.

CROSSREFS

KEYWORD

nonn,more,hard

AUTHOR

Ilya Gutkovskiy, Oct 26 2022

STATUS

approved