References to A004215

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
Links to OEIS content are included according to The OEIS End-User License Agreement .