cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A203322 Numbers not of the form x^2+2*y^3+3*z^4 for nonnegative x, y, z.

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%I A203322 #42 Aug 18 2020 10:42:33
%S A203322 8,10,13,15,22,24,26,29,31,33,34,37,40,42,43,45,46,47,53,56,60,62,71,
%T A203322 72,74,76,77,78,85,87,88,91,92,94,95,96,98,101,104,107,108,109,110,
%U A203322 115,117,120,122,125,130,133,134,136,139,141,142,143,152,155,158,159,161,162,165,168,170,173,179,181,182,184,186,187,189
%N A203322 Numbers not of the form x^2+2*y^3+3*z^4 for nonnegative x, y, z.
%C A203322 Suggested by A055042.
%H A203322 Robert Israel, <a href="/A203322/b203322.txt">Table of n, a(n) for n = 1..10000</a>
%p A203322 N:= 1000: # for terms <= N
%p A203322 E1:= {seq(3*z^4,z=0..floor((N/3)^(1/4)))}:
%p A203322 E2:= map(t -> seq(t+2*y^3,y=0..floor(((N-t)/2)^(1/3))), E1):
%p A203322 E3:= map(t -> seq(t+x^2,x=0..floor(sqrt(N-t))), E2):
%p A203322 sort(convert({$1..N} minus E3,list)); # _Robert Israel_, Aug 17 2020
%Y A203322 Cf. A055042.
%K A203322 nonn
%O A203322 1,1
%A A203322 _N. J. A. Sloane_, Jan 20 2012