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.

A232134 Number of (n+1)X(5+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Original entry on oeis.org

6468, 2616952, 1063744484, 433383414596, 176569302110496, 71938229899528156, 29309235951462780764, 11941235467361717495452, 4865125280955877875502856, 1982160394270679198811981452, 807576290792538717988018624964
Offset: 1

Views

Author

R. H. Hardin, Nov 19 2013

Keywords

Comments

Column 5 of A232137

Examples

			Some solutions for n=1
..0..1..2..0..2..2....0..1..2..1..2..0....0..1..0..0..2..0....0..1..0..2..1..0
..2..0..1..0..0..2....2..0..1..0..2..0....2..1..1..0..2..0....2..0..1..2..2..0
		

Formula

Empirical: a(n) = 561*a(n-1) -73140*a(n-2) +4741713*a(n-3) -189590243*a(n-4) +5166741030*a(n-5) -101404015378*a(n-6) +1481747635516*a(n-7) -16476516135731*a(n-8) +141802609562487*a(n-9) -960379067630908*a(n-10) +5207827691109751*a(n-11) -22965923908030370*a(n-12) +83424252857795943*a(n-13) -252125730302308846*a(n-14) +638719837675651150*a(n-15) -1364105336060855188*a(n-16) +2468073823021873449*a(n-17) -3803666086866956608*a(n-18) +5031007274209568576*a(n-19) -5774992822154852288*a(n-20) +5840357323644746240*a(n-21) -5289580945576167424*a(n-22) +4336919045252018176*a(n-23) -3211173022706860032*a(n-24) +2114909947423555584*a(n-25) -1214396287189254144*a(n-26) +594076082478514176*a(n-27) -239111167128109056*a(n-28) +75437217383710720*a(n-29) -17717117784686592*a(n-30) +2944599513366528*a(n-31) -325009838964736*a(n-32) +21251498180608*a(n-33) -618475290624*a(n-34) for n>36