Number of (n+1) X 4 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.
A206262
Number of (n+1) X 4 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors.
Terms
- a(0) =34a(1) =44a(2) =78a(3) =135a(4) =218a(5) =339a(6) =503a(7) =724a(8) =1009a(9) =1374a(10) =1828a(11) =2389a(12) =3068a(13) =3885a(14) =4853a(15) =5994a(16) =7323a(17) =8864a(18) =10634a(19) =12659a(20) =14958a(21) =17559a(22) =20483a(23) =23760a(24) =27413a(25) =31474a(26) =35968a(27) =40929a(28) =46384a(29) =52369
External references
- oeis: A206262