%I

%S 1,2,3,4,7,10,12,22,24

%N Values of n such that no solutions (x, y, z) to n = x^2 + (2y)^2 + z(z+1)/2 are zerofree.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Square-TriangleTheorem.html">Square-Triangle Theorem</a>

%Y Cf. A118421, A118422, A118423.

%K nonn,fini,more

%O 1,2

%A _Eric W. Weisstein_, Apr 27 2006