Number of compositions (ordered partitions) of n into tetrahedral (or triangular pyramidal) numbers (A000292).

A282582

Number of compositions (ordered partitions) of n into tetrahedral (or triangular pyramidal) numbers (A000292).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =4a(7) =5a(8) =7a(9) =10a(10) =15a(11) =21a(12) =29a(13) =40a(14) =57a(15) =81a(16) =114a(17) =159a(18) =223a(19) =314a(20) =444a(21) =625a(22) =878a(23) =1233a(24) =1736a(25) =2445a(26) =3441a(27) =4838a(28) =6804a(29) =9573

External references