T(n,k)=Number of length-(n+1) 0..k arrays with new values introduced in sequential order, and with new repeated values introduced in sequential order, both starting with zero.
A268327
T(n,k)=Number of length-(n+1) 0..k arrays with new values introduced in sequential order, and with new repeated values introduced in sequential order, both starting with zero.
Terms
- a(0) =2a(1) =2a(2) =3a(3) =2a(4) =4a(5) =6a(6) =2a(7) =4a(8) =10a(9) =11a(10) =2a(11) =4a(12) =11a(13) =25a(14) =22a(15) =2a(16) =4a(17) =11a(18) =32a(19) =66a(20) =43a(21) =2a(22) =4a(23) =11a(24) =33a(25) =102a(26) =177a(27) =86a(28) =2a(29) =4
External references
- oeis: A268327