Convolve Fibonacci, Pell and bronze Fibonacci numbers.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =6a(5) =28a(6) =114a(7) =432a(8) =1566a(9) =5517a(10) =19068a(11) =65044a(12) =219852a(13) =738316a(14) =2468028a(15) =8222805a(16) =27330858a(17) =90685224a(18) =300521622a(19) =994991716a(20) =3292117698a(21) =10887332473a(22) =35992718136a(23) =118958691528a(24) =393093822744