Number of nonnegative sequences of integers S with the properties that (1) sum(S) + length(S) = n and (2) there exists a nonnegative sequence whose Euler transform begins with S starting at index 1.
A367205
Number of nonnegative sequences of integers S with the properties that (1) sum(S) + length(S) = n and (2) there exists a nonnegative sequence whose Euler transform begins with S starting at index 1.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =6a(4) =9a(5) =16a(6) =27a(7) =45a(8) =74a(9) =125a(10) =205a(11) =343a(12) =564a(13) =934a(14) =1535a(15) =2536a(16) =4165a(17) =6855a(18) =11249a(19) =18465
External references
- oeis: A367205