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Positive integers n that cannot be represented as the form of a+b+c or a+b-c where a, b, c are perfect square numbers not larger than n (including 0).
0

%I #10 Jan 19 2014 00:19:56

%S 15,55,87,95,143,255,303,447,551,735,1007,1295,2103,2407,3495,5447,

%T 5727

%N Positive integers n that cannot be represented as the form of a+b+c or a+b-c where a, b, c are perfect square numbers not larger than n (including 0).

%C No other terms < 10^8. Sequence is probably finite. - _Giovanni Resta_, Jan 16 2014

%Y Cf. A223731.

%K nonn,more

%O 1,1

%A _Iodizon Aleph_, Jan 11 2014