Number of compositions of 5*n-2 into parts 3 and 5.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =12a(5) =34a(6) =92a(7) =230a(8) =549a(9) =1299a(10) =3109a(11) =7536a(12) =18364a(13) =44713a(14) =108575a(15) =263178a(16) =637699a(17) =1545839a(18) =3749001a(19) =9093989a(20) =22058847a(21) =53501860a(22) =129755543a(23) =314685488a(24) =763192224a(25) =1850966760a(26) =4489176073a(27) =10887655332a(28) =26405874658a(29) =64042115197