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A065228 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the square numbers. The first elements of the rows form a(n).

%I A065228 #12 Nov 01 2024 15:07:30
%S A065228 1,1,3,2,6,2,8,15,7,16,1,12,24,1,15,30,46,14,32,51,7,28,50,73,16,41,
%T A065228 67,94,22,51,81,112,23,56,90,125,17,54,92,131,2,43,85,128,172,21,67,
%U A065228 114,162,211,36,87,139,192,246,45,101,158,216,275,46,107,169,232,296,37
%N A065228 Fill a triangular array by rows by writing numbers 1 up to b(0), 1 up to b(1), etc., where b(n) are the square numbers. The first elements of the rows form a(n).
%H A065228 Alois P. Heinz, <a href="/A065228/b065228.txt">Table of n, a(n) for n = 0..10000</a>
%Y A065228 Mini-index to these sequences: A064766, A064865, A064866, A065221-A655234 are all of the same type. See A064766 for a detailed explanation.
%K A065228 easy,nonn
%O A065228 0,3
%A A065228 _Floor van Lamoen_, Oct 22 2001