Smallest square which is one more than the product of n (not necessarily distinct) numbers > 1.

A081949

Smallest square which is one more than the product of n (not necessarily distinct) numbers > 1.

Terms

    a(0) =4a(1) =9a(2) =9a(3) =25a(4) =49a(5) =225a(6) =289a(7) =961a(8) =4225a(9) =16129a(10) =16129a(11) =201601a(12) =261121a(13) =1050625a(14) =1050625a(15) =62995969a(16) =67092481a(17) =67092481a(18) =67092481a(19) =822140929a(20) =4295098369a(21) =17179607041a(22) =129923481601a(23) =129923481601a(24) =274876858369a(25) =274876858369

External references