Number of nX3 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
A281983
Number of nX3 0..1 arrays with no element unequal to more than four 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) =0a(1) =2a(2) =121a(3) =1054a(4) =7053a(5) =41118a(6) =226025a(7) =1189600a(8) =6090935a(9) =30538028a(10) =150719259a(11) =734621288a(12) =3544728240a(13) =16962264274a(14) =80602719361a(15) =380741691862
External references
- oeis: A281983