Number of n X 5 0..1 arrays with every element unequal to 0, 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A317761

Number of n X 5 0..1 arrays with every element unequal to 0, 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =16a(1) =42a(2) =52a(3) =72a(4) =109a(5) =177a(6) =302a(7) =532a(8) =955a(9) =1733a(10) =3164a(11) =5796a(12) =10637a(13) =19541a(14) =35918a(15) =66040a(16) =121443a(17) =223345a(18) =410772a(19) =755504a(20) =1389565a(21) =2555785a(22) =4700798a(23) =8646092a(24) =15902619a(25) =29249453a(26) =53798108a(27) =98950124a(28) =181997629a(29) =334745805

External references