Number of compositions (ordered partitions) of n into 1's, 3's and 5's.

A060961

Number of compositions (ordered partitions) of n into 1's, 3's and 5's.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =8a(7) =12a(8) =19a(9) =30a(10) =47a(11) =74a(12) =116a(13) =182a(14) =286a(15) =449a(16) =705a(17) =1107a(18) =1738a(19) =2729a(20) =4285a(21) =6728a(22) =10564a(23) =16587a(24) =26044a(25) =40893a(26) =64208a(27) =100816a(28) =158296a(29) =248548

External references