a(n) is the least integer that is pyramidal in exactly n ways.
A333916
a(n) is the least integer that is pyramidal in exactly n ways.
Terms
- a(0) =4a(1) =10a(2) =30a(3) =550a(4) =1540a(5) =48070a(6) =223300a(7) =2634940a(8) =402610950a(9) =1570545340a(10) =13960282700
External references
- oeis: A333916