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%I #2 Oct 09 2006 03:00:00
%S 0,6,0,1,6,0,8,1,6,0,0,8,1,6,0,3,0,8,1,6,0,3,3,0,8,1,6,0,9,3,3,0,8,1,
%T 6,0,8,9,3,3,0,8,1,6,0,8,8,9,3,3,0,8,1,6,0,7,8,8,9,3,3,0,8,1,6,0,4,7,
%U 8,8,9,3,3,0,8,1,6,0,9,4,7,8,8,9,3,3,0,8,1,6,0,8,9,4,7,8,8,9,3,3,0,8,1,6,0
%N Triangle of numbers obtained by reversing the first n digits of 1/phi and juxtaposing (phi denotes the golden ratio: A001622).
%H Paul Cooijmans, <a href="http://web.archive.org/web/20050302171708/http://members.chello.nl/p.cooijmans/gliaweb/tests/num.html">Numbers</a>, Item 16.
%H Paul Cooijmans, <a href="http://web.archive.org/web/20031006141136/http://members.chello.nl/p.cooijmans/gliaweb/tests/tfg/tfgshort.html">Short Test For Genius</a>, Item 32.
%e 0; 6,0; 1,6,0; 8,1,6,0; 0,8,1,6,0; 3,0,8,1,6,0; 3,3,0,8,1,6,0; 9,3,3,0,8,1,6,0;... (reverse order of 0.6; 0.61; 0.618; 0.6180; 0.61803; 0.618033; 0.6180339;...)
%o (PARI) a(n)=if(n<1,0,default(realprecision,n+2);floor((-1/2+sqrt(5)/2)*10^(n-1))%10); b(n)=1+binomial(1+floor(1/2+sqrt(2*n)),2)-n; for(n=1,120,print1(a(b(n)),",")
%Y Cf. A094214.
%Y Cf. A095713.
%K base,easy,nonn,tabl
%O 1,2
%A Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 07 2004
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