Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.

A219349

Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal 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) =3a(2) =8a(3) =15a(4) =27a(5) =46a(6) =76a(7) =122a(8) =190a(9) =287a(10) =421a(11) =601a(12) =837a(13) =1140a(14) =1522a(15) =1996a(16) =2576a(17) =3277a(18) =4115a(19) =5107a(20) =6271a(21) =7626a(22) =9192a(23) =10990a(24) =13042a(25) =15371a(26) =18001a(27) =20957a(28) =24265a(29) =27952

External references