a(n) = pg(3, n) * pg(4, n) * ... * pg(n, n) where pg(m, n) is the n-th m-th-order polygonal number.
A241453
a(n) = pg(3, n) * pg(4, n) * ... * pg(n, n) where pg(m, n) is the n-th m-th-order polygonal number.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =160a(5) =13125a(6) =2544696a(7) =978839680a(8) =662561095680
External references
- oeis: A241453