Third convolution of A001045(n+1) (generalized (1,2)-Fibonacci), n>=0, with itself.

A073373

Third convolution of A001045(n+1) (generalized (1,2)-Fibonacci), n>=0, with itself.

Terms

    a(0) =1a(1) =4a(2) =18a(3) =60a(4) =195a(5) =576a(6) =1644a(7) =4488a(8) =11925a(9) =30860a(10) =78278a(11) =195012a(12) =478599a(13) =1159080a(14) =2774880a(15) =6575280a(16) =15439065a(17) =35955540a(18) =83118970a(19) =190862860a(20) =435601611a(21) =988620624a(22) =2232236628a(23) =5016441240a(24) =11224087965

External references