Number of nX7 integer arrays with each element equal to the number of horizontal and vertical neighbors differing from itself by exactly one.
A266080
Number of nX7 integer arrays with each element equal to the number of horizontal and vertical neighbors differing from itself by exactly one.
Terms
- a(0) =1a(1) =1a(2) =10a(3) =23a(4) =55a(5) =146a(6) =466a(7) =1155a(8) =3364a(9) =9229a(10) =25566a(11) =70308a(12) =196647a(13) =544696a(14) =1527557a(15) =4229863a(16) =11872589a(17) =32954820a(18) =92269343a(19) =256481433a(20) =718070373a(21) =1997666638a(22) =5589444252a(23) =15558565416a(24) =43515994717a(25) =121194482007a(26) =338915914513
External references
- oeis: A266080