Number of compositions (ordered partitions) of n into pentagonal pyramidal numbers (A002411).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =3a(8) =4a(9) =5a(10) =6a(11) =7a(12) =9a(13) =12a(14) =16a(15) =21a(16) =27a(17) =34a(18) =44a(19) =57a(20) =74a(21) =96a(22) =124a(23) =159a(24) =205a(25) =265a(26) =343a(27) =444a(28) =574a(29) =740