Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 2 X n array.
A219853
Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 2 X n array.
Terms
- a(0) =6a(1) =7a(2) =17a(3) =33a(4) =56a(5) =86a(6) =125a(7) =173a(8) =230a(9) =296a(10) =371a(11) =455a(12) =548a(13) =650a(14) =761a(15) =881a(16) =1010a(17) =1148a(18) =1295a(19) =1451a(20) =1616a(21) =1790a(22) =1973a(23) =2165a(24) =2366a(25) =2576a(26) =2795a(27) =3023a(28) =3260a(29) =3506
External references
- oeis: A219853