A074731 Squares whose sum of anti-divisors is a cube.

1, 9, 576, 9025, 39582418599936

Offset

1,2

Comments

See A066272 for definition of anti-divisor.

a(6) > 10^16. - Hiroaki Yamanouchi, Sep 27 2015

Links

Table of n, a(n) for n=1..5.

Crossrefs

Cf. A066417.

Sequence in context: A373882 A347844 A291910 * A064560 A264121 A095968

Adjacent sequences: A074728 A074729 A074730 * A074732 A074733 A074734

Keyword

more,nonn

Author

Jason Earls, Sep 05 2002

Extensions

a(5) from Max Alekseyev, Jan 23 2012

Status

approved