a(n) is the least integer that is 4-dimensional pyramidal in exactly n ways.

A333932

a(n) is the least integer that is 4-dimensional pyramidal in exactly n ways.

Terms

    a(0) =5a(1) =15a(2) =35a(3) =140a(4) =1820a(5) =11375a(6) =820820a(7) =19019000a(8) =10790015600

External references