%I A143860
%S A143860 1,16,63,142,253,396,571,778,1017,1288,1591,1926,2293,2692,3123,3586,
%T A143860 4081,4608,5167,5758,6381,7036,7723,8442,9193,9976,10791,11638,12517,
%U A143860 13428,14371,15346,16353,17392,18463,19566,20701,21868,23067,24298
%N A143860 Ulam/prime spiral (NNW).
%F A143860 a(n)=16n^2-33n+18. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Sep 08 2008]
%t A143860 lst={1};a=0;Do[AppendTo[lst,n*n-a];a++,{n,4,6!,4}];lst
%Y A143860 Sequence in context: A118254 A066391 A022289 this_sequence A100176 A060091 
               A076751
%Y A143860 Adjacent sequences: A143857 A143858 A143859 this_sequence A143861 A143862 
               A143863
%K A143860 nonn
%O A143860 1,2
%A A143860 Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 03 2008