Number of 6Xn 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302519
Number of 6Xn 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =32a(1) =14a(2) =21a(3) =89a(4) =184a(5) =458a(6) =1784a(7) =7182a(8) =22544a(9) =67096a(10) =220654a(11) =775150a(12) =2587038a(13) =8302004a(14) =27025136a(15) =90376752a(16) =301153260a(17) =989265746a(18) =3244058002a(19) =10719499408a(20) =35505656166a(21) =117195031890a(22) =386021758650
External references
- oeis: A302519