T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nXk array.
A218426
T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nXk array.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =5a(4) =13a(5) =5a(6) =9a(7) =49a(8) =49a(9) =9a(10) =17a(11) =191a(12) =357a(13) =191a(14) =17a(15) =31a(16) =737a(17) =2725a(18) =2725a(19) =737a(20) =31a(21) =57a(22) =2849a(23) =20793a(24) =41515a(25) =20793a(26) =2849a(27) =57a(28) =105a(29) =11011
External references
- oeis: A218426