Number of (n+1)X(4+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.
A237011
Number of (n+1)X(4+1) 0..3 arrays with the sum of all four elements of every 2X2 subblock equal.
Terms
- a(0) =5984a(1) =10776a(2) =20776a(3) =46416a(4) =108824a(5) =282048a(6) =755752a(7) =2169408a(8) =6387224a(9) =19785696a(10) =62577256a(11) =205965696a(12) =689940824a(13) =2386495968a(14) =8375807272a(15) =30155605248a(16) =109803847064a(17) =407743384416
External references
- oeis: A237011