This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A068954 #20 Oct 17 2019 01:58:11 %S A068954 3,23,229,19,101,776887,3,7,29,275311670611,5,28201,3,52489,109, %T A068954 808793517812627212561,9680119,5,3,1137694897331,3697,29,6361,10667,3, %U A068954 23,17787551,41393681953973,7,4211,3,461,83,19,31,983,3,5,89,2251,250460976091,109,3,29 %N A068954 Smallest prime factor of n^n-(n-1)^(n-1). %H A068954 Chai Wah Wu, <a href="/A068954/b068954.txt">Table of n, a(n) for n = 2..107</a> %F A068954 a(n) = A020639(A007781(n)). %e A068954 A007781(14) = 10809131718965763 = 3 * 61^2 * 968299894201, therefore a(14) = 3. %Y A068954 Cf. A020639, A007781, A068955, A068956. %K A068954 nonn %O A068954 2,1 %A A068954 _Reinhard Zumkeller_, Mar 11 2002 %E A068954 a(20)-a(40) from _Daniel Starodubtsev_, Mar 10 2019 %E A068954 a(41)-a(45) from _Chai Wah Wu_, Jul 15 2019