Number of compositions (ordered partitions) of n into heptagonal numbers (A000566).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =2a(8) =3a(9) =4a(10) =5a(11) =6a(12) =7a(13) =8a(14) =10a(15) =13a(16) =17a(17) =22a(18) =29a(19) =37a(20) =46a(21) =57a(22) =71a(23) =89a(24) =112a(25) =143a(26) =183a(27) =233a(28) =295a(29) =372