A025420 Least sum of 4 positive cubes in exactly n ways.

4, 219, 1225, 1979, 5105, 6883, 13104, 27720, 42120, 21896, 46872, 62244, 81081, 77896, 138320, 169344, 116200, 216216, 246645, 314496, 361368, 406224, 444600, 375193, 563472, 353808, 497952, 923104, 687960, 1149120, 1245888, 1369368

Offset

1,1

Links

Table of n, a(n) for n=1..32.

Formula

min{k: A025457(k) = n}. - R. J. Mathar, Jun 15 2018

Crossrefs

Sequence in context: A068210 A078693 A222421 * A259460 A227822 A052209

Adjacent sequences: A025417 A025418 A025419 * A025421 A025422 A025423

Keyword

nonn

Author

David W. Wilson, May 29, 1997

Extensions

Extended by Ray Chandler Mar 23 2005

Status

approved