Number of (n+1)X(5+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

A237634

Number of (n+1)X(5+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =4621a(1) =4500a(2) =2086a(3) =2816a(4) =4622a(5) =5656a(6) =7756a(7) =11312a(8) =17626a(9) =22624a(10) =30496a(11) =45248a(12) =70792a(13) =90496a(14) =121984a(15) =180992a(16) =283168a(17) =361984a(18) =487936a(19) =723968a(20) =1132672a(21) =1447936a(22) =1951744a(23) =2895872a(24) =4530688a(25) =5791744a(26) =7806976a(27) =11583488a(28) =18122752a(29) =23166976

External references