Number of (n+1)X(7+1) 0..1 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.
A250582
Number of (n+1)X(7+1) 0..1 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.
Terms
- a(0) =1428a(1) =4009a(2) =9346a(3) =20510a(4) =44104a(5) =94623a(6) =203560a(7) =441215a(8) =963419a(9) =2122436a(10) =4711190a(11) =10539254a(12) =23725417a(13) =53732313a(14) =122262118a(15) =279395064a(16) =640562123a(17) =1472887183a(18) =3394038277a(19) =7835913688a(20) =18116152652a(21) =41934181304a(22) =97151672669a(23) =225248699646
External references
- oeis: A250582