Number of 3Xn arrays containing n copies of 0..3-1 with no element plus any antidiagonal neighbor equal to 3-1.
A265871
Number of 3Xn arrays containing n copies of 0..3-1 with no element plus any antidiagonal neighbor equal to 3-1.
Terms
- a(0) =6a(1) =42a(2) =340a(3) =3136a(4) =30456a(5) =307464a(6) =3182784a(7) =33588630a(8) =359679572a(9) =3896854004a(10) =42621505752a(11) =469855280984
External references
- oeis: A265871