Number of sequences of length n whose terms are positive integers less than or equal to n in which the i-th term is greater than both the (i-2)nd and (i-3)rd terms.
A141043
Number of sequences of length n whose terms are positive integers less than or equal to n in which the i-th term is greater than both the (i-2)nd and (i-3)rd terms.
Terms
- a(0) =1a(1) =4a(2) =9a(3) =31a(4) =88a(5) =288a(6) =889a(7) =2884a(8) =9211a(9) =29976a(10) =97296a(11) =318371a(12) =1042756a(13) =3429604a(14) =11298969a(15) =37320679a(16) =123473176
External references
- oeis: A141043