Number of nX3 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281134
Number of nX3 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =1a(1) =24a(2) =297a(3) =1046a(4) =3460a(5) =10790a(6) =32692a(7) =96454a(8) =279958a(9) =801574a(10) =2269012a(11) =6364810a(12) =17720024a(13) =49016062a(14) =134841796a(15) =369185826a(16) =1006589456a(17) =2734396414a(18) =7403739804a(19) =19988032370a(20) =53820207056a(21) =144572702206a(22) =387513485500
External references
- oeis: A281134