Square array A(n, k) read by antidiagonals downwards: smallest base-n Fermat pseudoprime with k distinct prime factors for k, n >= 2.

A271873

Square array A(n, k) read by antidiagonals downwards: smallest base-n Fermat pseudoprime with k distinct prime factors for k, n >= 2.

Terms

    a(0) =341a(1) =561a(2) =91a(3) =11305a(4) =286a(5) =15a(6) =825265a(7) =41041a(8) =435a(9) =124a(10) =45593065a(11) =825265a(12) =11305a(13) =561a(14) =35a(15) =370851481a(16) =130027051a(17) =418285a(18) =41041a(19) =1105a(20) =6a(21) =38504389105a(22) =2531091745a(23) =30534805a(24) =2203201a(25) =25585a(26) =561a(27) =21a(29) =38504389105a(30) =370851481

External references