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 A307220 Record values in A039951. 1
 1093, 66161, 46145917691 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n) = A039951(A278611(n)). EXAMPLE For n = 2: The second prime p that is the smallest base-b Wieferich prime of a record size among integers b > 1 is 66161 for b = 6, so a(2) = 66161. PROG (PARI) smallest_w_prime(n) = forprime(p=1, , if(Mod(n, p^2)^(p-1)==1, return(p))) my(r=0, b=2, swp=0); while(1, swp=smallest_w_prime(b); if(swp > r, print1(swp, ", "); r=swp); b++) CROSSREFS Cf. A039951, A278611. Sequence in context: A266829 A203858 A115192 * A091674 A022197 A259909 Adjacent sequences:  A307217 A307218 A307219 * A307221 A307222 A307223 KEYWORD nonn,hard,more,bref AUTHOR Felix FrÃ¶hlich, Mar 29 2019 STATUS approved

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Last modified May 9 07:55 EDT 2021. Contains 343692 sequences. (Running on oeis4.)