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.
%I A076351 #3 Mar 30 2012 18:50:26 %S A076351 1,2,4,8,15,16,30,32,60,64,120,128,143,225,240,256,286,450,480,512, %T A076351 572,900,960,1024,1144,1800,1920,2048,2145,2288,3375,3599,3600,3840, %U A076351 4096,4290,4576,5183,6750,7198,7200,7680,8192,8580,9152 %N A076351 Numbers n such that A076341(n)=0. %e A076351 Applying the map as defined in A076340, A076341: %e A076351 120=5*3*2^3=(4+1)*(4-1)*2^3 -> (4,1)*(4,-1)*(2,0)^3 = (4*4+1,4-4)*(8,0) = (136,0), therefore A076340(120)=136 and A076341(120)=0; %e A076351 130=13*5*2=(12+1)*(4+1)*2 -> (12,1)*(4,1)*(2,0) = (12*4-1,12+4)*(2,0) = (94,32), therefore A076340(130)=94 and A076341(130)=32, hence 130 is not a term. %K A076351 nonn %O A076351 1,2 %A A076351 _Reinhard Zumkeller_, Oct 08 2002