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Positive numbers that are not the sum of a triangular number, a square and a cube, all of them greater than or equal to 1.
5

%I #3 Mar 30 2012 17:40:34

%S 1,2,4,7,9,14,21,28,35,70,126,152,161,481

%N Positive numbers that are not the sum of a triangular number, a square and a cube, all of them greater than or equal to 1.

%C Probably finite. No other terms up to 10^9.

%Y Cf. A022552, A014158, A115159, A115160, A115161, A115163.

%K nonn

%O 1,2

%A _Giovanni Resta_, Jan 15 2006