Number of n X n 0..1 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201499
Number of n X n 0..1 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
Terms
- a(0) =2a(1) =2a(2) =6a(3) =8a(4) =40a(5) =58a(6) =338a(7) =526a(8) =3334a(9) =5448a(10) =36168a(11) =61108a(12) =417920a(13) =723354a(14) =5054148a(15) =8908546a(16) =63260780a(17) =113093022a(18) =813360930a(19) =1470597342a(20) =10685501398a(21) =19499227828a(22) =142885700222a(23) =262754984020
External references
- oeis: A201499