a(n) = floor((5^n)/(3^n + 2^n)).

Terms

a(0) =1a(1) =1a(2) =3a(3) =6a(4) =11a(5) =19a(6) =33a(7) =57a(8) =96a(9) =162a(10) =272a(11) =455a(12) =761a(13) =1271a(14) =2121a(15) =3539a(16) =5901a(17) =9839a(18) =16403a(19) =27342a(20) =45576a(21) =75965a(22) =126614a(23) =211029a(24) =351723a(25) =586213a(26) =977031a(27) =1628395a(28) =2714003a(29) =4523350