T(n,k)=Number of (n+3)X(k+3) binary arrays with no more than one of any consecutive four bits set in any row or column.

A203048

T(n,k)=Number of (n+3)X(k+3) binary arrays with no more than one of any consecutive four bits set in any row or column.

Terms

    a(0) =209a(1) =637a(2) =637a(3) =2005a(4) =2509a(5) =2005a(6) =6365a(7) =10195a(8) =10195a(9) =6365a(10) =19957a(11) =41617a(12) =53754a(13) =41617a(14) =19957a(15) =62393a(16) =167293a(17) =283870a(18) =283870a(19) =167293a(20) =62393a(21) =195261a(22) =672157a(23) =1467519a(24) =1941572a(25) =1467519a(26) =672157a(27) =195261a(28) =612041a(29) =2708439

External references