%I #9 Sep 18 2024 14:57:40
%S 8,9,13,18,20,23,27,33,34,38,41,43,47,48,58,60,62,63,68,69,73,76,83,
%T 86,88,89,90,93,97,98,99,108,111,112,113,118,123,125,132,133,134,135,
%U 138,139,143,144,146,148,151,158,160,163,164,167,168,173,174,177,181,182
%N Integers not expressible as the sum of a positive triangular number and a square.
%o (PARI) isok(n)={for(k=1, sqrtint(2*n), if(issquare(n-binomial(k+1,2)), return(0))); 1} \\ _Andrew Howroyd_, Sep 18 2024
%Y Cf. A000217, A000290, A014134.
%K nonn
%O 1,1
%A _Jason Earls_, Nov 14 2002
%E Name clarified and offset changed by _Andrew Howroyd_, Sep 18 2024