Number of ordered ways of writing the n-th n-gonal pyramidal number as a sum of n n-gonal pyramidal numbers (with 0's allowed).
A336091
Number of ordered ways of writing the n-th n-gonal pyramidal number as a sum of n n-gonal pyramidal numbers (with 0's allowed).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =10a(5) =5a(6) =246a(7) =1519a(8) =19678a(9) =74601a(10) =690490a(11) =21026621a(12) =301528272a(13) =4397123315a(14) =71221546592
External references
- oeis: A336091