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.

A182802 Joint-rank array of the numbers j*(1+tau)^2*(i-1), where tau = golden ratio = (1+sqrt(5))/2, i>=1, read by antidiagonals.

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%I A182802 #10 Mar 30 2012 18:57:12
%S A182802 1,2,3,4,7,9,5,11,20,26,6,15,31,55,72,8,19,42,84,148,194,10,23,53,113,
%T A182802 224,393,515,12,28,64,142,300,592,1036,1357,13,32,75,171,376,791,1557,
%U A182802 2721,3563,14,36,86,200,452,990,2078,4085,7134,9340
%N A182802 Joint-rank array of the numbers j*(1+tau)^2*(i-1), where tau = golden ratio = (1+sqrt(5))/2, i>=1, read by antidiagonals.
%C A182802 Joint-rank arrays are defined in the first comment at A182801. There r=tau; here r=1+tau=(tau)^2.
%C A182802 (Column 1)=A054963.  Every positive integer occurs exactly once, so that as a sequence, A182802 is a permutation of the positive integers.
%F A182802 T(i,j)=SUM{floor(j*(tau)^(2*(i-n))): n>=1}.
%e A182802 Northwest corner:
%e A182802 1....2....4....5....6...
%e A182802 3....7...11...15...19...
%e A182802 9...20...31...42...53...
%e A182802 26..55...84..113..142...
%Y A182802 Cf. A182801.
%K A182802 nonn,tabl
%O A182802 1,2
%A A182802 _Clark Kimberling_, Dec 05 2010