A025300 - OEIS

A025300

Numbers that are the sum of 2 nonzero squares in 9 or more ways.

71825, 93925, 122525, 138125, 143650, 156325, 160225, 173225, 187850, 204425, 209525, 223925, 226525, 235625, 244205, 245050, 257725, 267325, 273325, 276250, 287300, 292825, 296225, 300625, 308125, 308425, 312650, 320450, 333125, 337025

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

Index entries for sequences related to sums of squares

MATHEMATICA

nn = 337025; t = Table[0, {nn}]; lim = Floor[Sqrt[nn - 1]]; Do[num = i^2 + j^2; If[num <= nn, t[[num]]++], {i, lim}, {j, i}]; Flatten[Position[t, _?(# >= 9 &)]] (* T. D. Noe, Apr 07 2011 *)

CROSSREFS

Cf. A025292, A025299, A025301, A025337.

Sequence in context: A283955 A114661 A119397 * A025319 A097245 A025292

Adjacent sequences: A025297 A025298 A025299 * A025301 A025302 A025303

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved