T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median of every 2X2 subblock.

A236618

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median of every 2X2 subblock.

Terms

    a(0) =81a(1) =390a(2) =390a(3) =1885a(4) =2586a(5) =1885a(6) =8876a(7) =17114a(8) =17114a(9) =8876a(10) =41473a(11) =106184a(12) =147683a(13) =106184a(14) =41473a(15) =193372a(16) =645208a(17) =1064688a(18) =1064688a(19) =645208a(20) =193372a(21) =912752a(22) =4152180a(23) =8747914a(24) =11752026a(25) =8747914a(26) =4152180a(27) =912752a(28) =4290712a(29) =26549772

External references