Number of (n+1) X (1+1) 0..2 arrays with the maximum minus the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
A237550
Number of (n+1) X (1+1) 0..2 arrays with the maximum minus the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.
Terms
- a(0) =81a(1) =312a(2) =1240a(3) =4752a(4) =19128a(5) =72736a(6) =290112a(7) =1110080a(8) =4459296a(9) =16979328a(10) =67827328a(11) =259259648a(12) =1040224128a(13) =3964054016a(14) =15850143744a(15) =60545315840a(16) =242745766400a(17) =925519968256
External references
- oeis: A237550