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A115161 Numbers that are not the sum of a triangular number, a nonnegative cube and a fourth power. 4

%I

%S 13,35,40,41,50,51,59,76,77,112,124,139,149,150,157,165,168,175,176,

%T 178,182,183,189,193,197,205,208,215,224,229,241,243,249,273,288,305,

%U 306,314,329,332,366,373,383,397,412,413,418,420,429,438,453,455,457,461

%N Numbers that are not the sum of a triangular number, a nonnegative cube and a fourth power.

%C There are 15682461 such numbers up to 10^9, the last one in this range being 999999923.

%Y Cf. A022552, A014158, A115159, A115160, A115162, A115163.

%K nonn

%O 1,1

%A _Giovanni Resta_, Jan 15 2006

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Last modified January 30 02:40 EST 2023. Contains 359939 sequences. (Running on oeis4.)