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

Author

David W. Wilson, May 29 1997

Keywords

• nonn

Formula

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

Extensions

Extended by Ray Chandler Mar 23 2005