Number of compositions (ordered partitions) of n into octagonal pyramidal numbers (A002414).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =2a(10) =3a(11) =4a(12) =5a(13) =6a(14) =7a(15) =8a(16) =9a(17) =10a(18) =12a(19) =15a(20) =19a(21) =24a(22) =30a(23) =37a(24) =45a(25) =54a(26) =64a(27) =76a(28) =91a(29) =110