Number of nX7 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
A281539
Number of nX7 0..2 arrays with no element equal to more than one of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =34a(1) =16368a(2) =245037a(3) =385284a(4) =610493a(5) =1066920a(6) =1935368a(7) =3474958a(8) =6171868a(9) =11158871a(10) =20395467a(11) =37090446a(12) =66559412a(13) =117785326a(14) =205663182a(15) =355907155a(16) =612385903a(17) =1050975150a(18) =1799990677a(19) =3077499241a(20) =5246920963a(21) =8917248681a(22) =15096933611
External references
- oeis: A281539