Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,4,2,0,1 for x=0,1,2,3,4.
A196860
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,4,2,0,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =6a(2) =26a(3) =102a(4) =473a(5) =1900a(6) =7428a(7) =29859a(8) =120761a(9) =488123a(10) =1973886a(11) =7978980a(12) =32236748a(13) =130244330a(14) =526284444a(15) =2126673912a(16) =8593813805a(17) =34727312754a(18) =140331197760a(19) =567069475233
External references
- oeis: A196860