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.

A275562 Number of nX5 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2.

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%I A275562 #4 Aug 01 2016 21:25:53
%S A275562 12,288,672,3192,13104,57600,248520,1075140,4663710,20186982,87477240,
%T A275562 378971730,1641701760,7112729712,30813640998,133494984432,
%U A275562 578341554336,2505543992028,10854800690652,47026263554508,203732097403680
%N A275562 Number of nX5 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2.
%C A275562 Column 5 of A275565.
%H A275562 R. H. Hardin, <a href="/A275562/b275562.txt">Table of n, a(n) for n = 1..210</a>
%F A275562 Empirical: a(n) = a(n-1) +22*a(n-2) +8*a(n-3) -191*a(n-4) -156*a(n-5) +917*a(n-6) +837*a(n-7) -2936*a(n-8) -2248*a(n-9) +6832*a(n-10) +3015*a(n-11) -11514*a(n-12) -1236*a(n-13) +14699*a(n-14) -2370*a(n-15) -15138*a(n-16) +4822*a(n-17) +12804*a(n-18) -4364*a(n-19) -8775*a(n-20) +2339*a(n-21) +4703*a(n-22) -715*a(n-23) -1892*a(n-24) +91*a(n-25) +563*a(n-26) +8*a(n-27) -120*a(n-28) -3*a(n-29) +16*a(n-30) -a(n-32) for n>34
%e A275562 Some solutions for n=4
%e A275562 ..0..1..1..2..0. .0..0..1..2..0. .0..0..1..1..2. .0..1..2..0..1
%e A275562 ..0..1..2..0..1. .0..1..1..0..2. .2..2..1..0..2. .1..2..0..1..2
%e A275562 ..1..2..2..1..1. .2..2..0..0..1. .2..1..0..2..1. .2..0..1..1..2
%e A275562 ..1..0..0..2..2. .1..2..0..1..1. .1..1..2..2..1. .2..0..1..2..0
%Y A275562 Cf. A275565.
%K A275562 nonn
%O A275562 1,1
%A A275562 _R. H. Hardin_, Aug 01 2016