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%I #22 Mar 04 2018 10:30:11
%S 2,0,4,4,2,2,8,0,8,0,8,6,6,6,6,0,20,0,24,0,20,20,18,18,18,18,18,18,64,
%T 0,64,0,64,0,64,0,60,56,56,58,56,56,58,56,56,0,204,0,204,0,208,0,204,
%U 0,204,188,186,186,186,186,186,186,186,186,186,186
%N Triangle read by rows: row n gives the number of solutions to +-1 +- 2 +- 3 +- ... +- n == k (mod n).
%H Seiichi Manyama, <a href="/A300328/b300328.txt">Rows n = 1..140, flattened</a>
%e First few rows are:
%e 2;
%e 0, 4;
%e 4, 2, 2;
%e 8, 0, 8, 0;
%e 8, 6, 6, 6, 6;
%e 0, 20, 0, 24, 0, 20;
%e 20, 18, 18, 18, 18, 18, 18;
%e 64, 0, 64, 0, 64, 0, 64, 0;
%Y Cf. A000079 (row sums), A300190, A300324, A300329.
%K nonn,tabl
%O 1,1
%A _Seiichi Manyama_, Mar 03 2018
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