Number of n X 3 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
A240479
Number of n X 3 0..1 arrays with no element equal to more than two horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
Terms
- a(0) =4a(1) =25a(2) =122a(3) =578a(4) =2753a(5) =13147a(6) =62781a(7) =299758a(8) =1431221a(9) =6833530a(10) =32627526a(11) =155784099a(12) =743810095a(13) =3551411593a(14) =16956645850a(15) =80961564485a(16) =386560819918
External references
- oeis: A240479