Number of compositions (ordered partitions) of the n-th triangular number into distinct triangular numbers.

A331900

Number of compositions (ordered partitions) of the n-th triangular number into distinct triangular numbers.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =3a(7) =13a(8) =3a(9) =55a(10) =201a(11) =159a(12) =865a(13) =1803a(14) =7093a(15) =43431a(16) =14253a(17) =22903a(18) =130851a(19) =120763a(20) =1099693a(21) =4527293a(22) =4976767a(23) =7516897a(24) =14349685a(25) =72866239a(26) =81946383a(27) =167841291a(28) =897853735a(29) =455799253

External references