Number of (n+1) X 8 0..3 arrays with every 2 X 2 subblock summing to 6.
A183640
Number of (n+1) X 8 0..3 arrays with every 2 X 2 subblock summing to 6.
Terms
- a(0) =79172a(1) =107992a(2) =170300a(3) =309016a(4) =629132a(5) =1398952a(6) =3333500a(7) =8411896a(8) =22294892a(9) =61632712a(10) =176596700a(11) =521681176a(12) =1582485452a(13) =4916663272a(14) =15625379900a(15) =50774508856a(16) =168710304812a(17) =573264314632
External references
- oeis: A183640