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A025368
Numbers that are the sum of 4 nonzero squares in 3 or more ways.
6
28, 42, 52, 55, 58, 60, 63, 66, 67, 70, 73, 75, 76, 78, 79, 82, 84, 85, 87, 90, 91, 92, 93, 95, 97, 98, 99, 100, 102, 103, 105, 106, 108, 109, 110, 111, 112, 114, 115, 117, 118, 119, 121, 122, 123, 124, 125, 126, 127, 129, 130, 132, 133, 134, 135, 137, 138, 139, 140, 141
OFFSET
1,1
FORMULA
{n: A025428(n) >=3}. Union of A025369 and A025359.- R. J. Mathar, Jun 15 2018
CROSSREFS
KEYWORD
nonn
STATUS
approved