Integers formed from the reduced residue sets of even numbers and Fibonacci numbers.

Terms

a(0) =1a(1) =3a(2) =6a(3) =21a(4) =50a(5) =108a(6) =364a(7) =987a(8) =1938a(9) =6150a(10) =17622a(11) =34776a(12) =121160a(13) =306852a(14) =549000a(15) =2178309a(16) =5701290a(17) =11197764a(18) =39083988a(19) =93031050a(20) =191708244a(21) =697884066a(22) =1836283246a(23) =3605645232a(24) =11442062750a(25) =32888033880a(26) =64700678454