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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.

A182833 Joint-rank array of the numbers j*e^(i-1), read by antidiagonals.

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%I A182833 #7 Mar 30 2012 18:57:12
%S A182833 1,2,3,4,7,10,5,12,21,30,6,15,34,61,84,8,19,44,94,170,232,9,24,55,124,
%T A182833 257,466,635,11,28,68,155,342,702,1272,1731,13,32,79,188,427,935,1912,
%U A182833 3465,4711,14,37,91,219,515,1169,2548,5201,9426,12814,16,41,103,251
%N A182833 Joint-rank array of the numbers j*e^(i-1), read by antidiagonals.
%C A182833 Joint-rank arrays are defined in the first comment at A182801.  (Column 1)=A117869.  Every positive integer occurs exactly once, so that as a sequence, A182833 is a permutation of the positive integers.
%F A182833 T(i,j)=SUM{floor(j*e^(i-n)): n>=1}.
%e A182833 Northwest corner:
%e A182833 1....2....4....5....6...
%e A182833 3....7...12...15...19...
%e A182833 10..21...34...44...55...
%e A182833 30..61...94..124..155...
%Y A182833 Cf. A182801.
%K A182833 nonn,tabl
%O A182833 1,2
%A A182833 _Clark Kimberling_, Dec 07 2010