A000448 Smallest number that is the sum of 2 squares in at least n ways.

0, 25, 325, 1105, 4225, 5525, 27625, 27625, 71825, 138125, 160225, 160225, 801125, 801125, 801125, 801125, 2082925, 2082925, 4005625, 4005625, 5928325, 5928325, 5928325, 5928325, 29641625, 29641625, 29641625, 29641625, 29641625, 29641625, 29641625, 29641625

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000
• Index entries for sequences related to sums of squares

Crossrefs

Cf. A000446 (smallest number that is the sum of 2 squares in exactly n ways).

Formula

a(n) = min { A000446(k) ; k >= n }. - M. F. Hasler, Jul 06 2024

Extensions

Extended by Ray Chandler, Jan 13 2012