Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.
A219699
Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical 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) =5a(2) =13a(3) =25a(4) =45a(5) =78a(6) =130a(7) =208a(8) =320a(9) =475a(10) =683a(11) =955a(12) =1303a(13) =1740a(14) =2280a(15) =2938a(16) =3730a(17) =4673a(18) =5785a(19) =7085a(20) =8593a(21) =10330a(22) =12318a(23) =14580a(24) =17140a(25) =20023a(26) =23255a(27) =26863a(28) =30875a(29) =35320
External references
- oeis: A219699