Number of 3 X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 3 X n array.
A219520
Number of 3 X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 3 X n array.
Terms
- a(0) =4a(1) =6a(2) =11a(3) =24a(4) =43a(5) =70a(6) =111a(7) =172a(8) =260a(9) =383a(10) =550a(11) =771a(12) =1057a(13) =1420a(14) =1873a(15) =2430a(16) =3106a(17) =3917a(18) =4880a(19) =6013a(20) =7335a(21) =8866a(22) =10627a(23) =12640a(24) =14928a(25) =17515a(26) =20426a(27) =23687a(28) =27325a(29) =31368
External references
- oeis: A219520