Number of ways of filling a 2 X 3 X 2n hole with 1 X 2 X 2 bricks.
A158869
Number of ways of filling a 2 X 3 X 2n hole with 1 X 2 X 2 bricks.
Terms
- a(0) =1a(1) =5a(2) =27a(3) =147a(4) =801a(5) =4365a(6) =23787a(7) =129627a(8) =706401a(9) =3849525a(10) =20977947a(11) =114319107a(12) =622980801a(13) =3394927485a(14) =18500622507a(15) =100818952587a(16) =549411848001
External references
- oeis: A158869