A025417 Least sum of 4 distinct nonzero squares in exactly n ways.

30, 90, 78, 142, 126, 174, 190, 210, 286, 351, 294, 318, 270, 330, 430, 390, 414, 550, 450, 582, 594, 546, 462, 606, 510, 862, 786, 726, 770, 714, 690, 630, 702, 846, 810, 750, 1074, 798, 930, 870, 1026, 966, 1246, 1150, 1310, 1190, 1122, 1314, 1338, 1365, 1050

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Links

• Donovan Johnson, Table of n, a(n) for n = 1..1000
• Index entries for sequences related to sums of squares

Formula

{min k: A025443(k) = n}. - R. J. Mathar, Jun 15 2018