Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,3,0,4 for x=0,1,2,3,4.
A196573
Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,3,0,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =3a(2) =16a(3) =37a(4) =117a(5) =372a(6) =1168a(7) =3613a(8) =11247a(9) =35047a(10) =109150a(11) =339828a(12) =1058164a(13) =3295056a(14) =10260427a(15) =31949551a(16) =99486794a(17) =309789423a(18) =964645058a(19) =3003782043a(20) =9353396014a(21) =29125288852a(22) =90692454357a(23) =282404795252a(24) =879372700786
External references
- oeis: A196573