Smallest m such that A356428(m) = n, or -1 if there is no such m.

A356429

Smallest m such that A356428(m) = n, or -1 if there is no such m.

Terms

    a(0) =2a(1) =8a(2) =48a(3) =315a(4) =320a(5) =6664a(6) =135450a(7) =273000a(8) =518661a(9) =519440a(10) =519622a(11) =148830266a(12) =558797841a(13) =558797968a(14) =24900609294

External references