Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.
A219768
Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.
Terms
- a(0) =3a(1) =6a(2) =14a(3) =29a(4) =56a(5) =101a(6) =171a(7) =274a(8) =419a(9) =616a(10) =876a(11) =1211a(12) =1634a(13) =2159a(14) =2801a(15) =3576a(16) =4501a(17) =5594a(18) =6874a(19) =8361a(20) =10076a(21) =12041a(22) =14279a(23) =16814a(24) =19671a(25) =22876a(26) =26456a(27) =30439a(28) =34854a(29) =39731
External references
- oeis: A219768