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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.

A188979 Number of nX5 array permutations with each element moved but moved no more than a city block distance of two.

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%I A188979 #6 Jul 22 2025 11:30:24
%S A188979 6,7836,12838276,10523263424,9562891914304,9298230791255360
%N A188979 Number of nX5 array permutations with each element moved but moved no more than a city block distance of two.
%C A188979 Column 5 of A188981
%e A188979 Some solutions for 3X5
%e A188979 ..1..0..8..4.14....1..0..4..8.14....1..0..6..4..2....1..0..3..7.14
%e A188979 ..7.10..5..2..3....7..5.12..2..3....7.12..8..3.13...10..5..2..9.13
%e A188979 .11.12..6..9.13...11.10..6..9.13....5.10.11.14..9....6.12..8.11..4
%K A188979 nonn
%O A188979 1,1
%A A188979 _R. H. Hardin_ Apr 14 2011

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