Number of nX3 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A299809
Number of nX3 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =3a(1) =4a(2) =12a(3) =43a(4) =91a(5) =519a(6) =1721a(7) =5886a(8) =24858a(9) =89458a(10) =331545a(11) =1293081a(12) =4800200a(13) =18085436a(14) =68906303a(15) =258751342a(16) =977403762a(17) =3699805618a(18) =13947688934a(19) =52692144086a(20) =199113543247a(21) =751576314916
External references
- oeis: A299809