Numbers that are the sum of 4 but no fewer nonzero squares.
7, 15, 23, 28, 31, 39, 47, 55, 60, 63, 71, 79, 87, 92, 95, 103, 111, 112, 119, 124, 127
2 seqfan posts
Tue Oct 18 02:39:55 CEST 2011 [seqfan] Re: SIAM Rev problem 89-19
Sat Dec 12 23:26:42 CET 2009 [seqfan] Re: a question about triangular numbers
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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