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.

A265241 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.

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%I A265241 #6 Aug 12 2016 06:55:34
%S A265241 1,1,1,1,2,1,1,4,10,1,1,8,92,68,1,1,16,888,4716,604,1,1,32,8880,
%T A265241 359172,414716,6584,1,1,64,91180,29189088,327847656,55210372,85048,1,
%U A265241 1,128,955320,2481226704,284341627344,559450092072,10337500044,1269680,1,1,256
%N A265241 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal antidiagonal neighbors and new values introduced sequentially from 0.
%C A265241 Table starts
%C A265241 .1....1........1............1................1....................1
%C A265241 .1....2........4............8...............16...................32
%C A265241 .1...10.......92..........888.............8880................91180
%C A265241 .1...68.....4716.......359172.........29189088...........2481226704
%C A265241 .1..604...414716....327847656.....284341627344......262625535902888
%C A265241 .1.6584.55210372.559450092072.6395116792255680.79291881287786838864
%H A265241 R. H. Hardin, <a href="/A265241/b265241.txt">Table of n, a(n) for n = 1..71</a>
%e A265241 Some solutions for n=3 k=4
%e A265241 ..0..0..1..1....0..1..2..2....0..0..1..1....0..1..2..1....0..1..2..1
%e A265241 ..2..0..2..0....2..1..0..2....2..0..2..0....0..1..2..0....2..0..0..0
%e A265241 ..2..1..1..2....0..1..1..0....1..1..2..2....2..0..2..1....2..1..1..2
%Y A265241 Column 2 is A165968(n+1).
%Y A265241 Row 2 is A000079(n-1).
%K A265241 nonn,tabl
%O A265241 1,5
%A A265241 _R. H. Hardin_, Dec 06 2015