Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 3Xn array.
A219629
Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 3Xn array.
Terms
- a(0) =10a(1) =27a(2) =130a(3) =582a(4) =2109a(5) =6637a(6) =19166a(7) =51491a(8) =130209a(9) =312797a(10) =719186a(11) =1591856a(12) =3407212a(13) =7077248a(14) =14307047a(15) =28216156a(16) =54398922a(17) =102703127a(18) =190166090a(19) =345789073a(20) =618191311a(21) =1087715590a(22) =1885328230a(23) =3221762398a(24) =5431921305
External references
- oeis: A219629