a(n) is the smallest n-gonal pyramidal number divisible by exactly n n-gonal pyramidal numbers.
A358860
a(n) is the smallest n-gonal pyramidal number divisible by exactly n n-gonal pyramidal numbers.
Terms
- a(0) =56a(1) =140a(2) =4200a(3) =331800a(4) =611520a(5) =8385930a(6) =1071856800a(7) =41086892000a(8) =78540000a(11) =22241349900
External references
- oeis: A358860