Smallest powerful (1) number which is at the end of an arithmetic progression of n terms.

A360883

Smallest powerful (1) number which is at the end of an arithmetic progression of n terms.

Terms

    a(0) =1a(1) =4a(2) =49a(3) =144a(4) =4500a(5) =5400a(6) =308700a(7) =352800a(8) =396900a(9) =441000a(10) =58697100a(11) =64033200a(12) =11723411700a(13) =12625212600a(14) =13527013500a(15) =14428814400

External references