Number of 2Xn 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..3 2Xn array.
A219829
Number of 2Xn 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..3 2Xn array.
Terms
- a(0) =10a(1) =13a(2) =38a(3) =87a(4) =176a(5) =370a(6) =721a(7) =1374a(8) =2533a(9) =4538a(10) =7924a(11) =13507a(12) =22510a(13) =36732a(14) =58771a(15) =92312a(16) =142492a(17) =216355a(18) =323411a(19) =476314a(20) =691675a(21) =991027a(22) =1401960a(23) =1959445a(24) =2707367a(25) =3700288a(26) =5005462a(27) =6705125a(28) =8899084a(29) =11707630
External references
- oeis: A219829