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

A337764

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =7a(4) =124a(5) =14371a(6) =12842911a(7) =103590035354

External references