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 A213738 a(n) is the smallest prime of the form n*m^q + 1 where m is an integer and q >= 2. 2
 5, 17, 13, 17, 41, 97, 29, 73, 37, 41, 89, 97, 53, 113, 61, 257, 137, 73, 1217, 181, 337, 89, 829, 97, 101, 937, 109, 113, 233, 241, 1117, 257, 2113, 137, 281, 577, 149, 1217, 157, 641, 36901, 337, 173, 353, 181, 1151, 1693, 193, 197, 401, 409, 1301, 1697, 433 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Michel Marcus, Table of n, a(n) for n = 1..10000 EXAMPLE a(11) = 89 = 11*2^3 + 1. PROG (PARI) a(n) = {forprime(p=2, , qq = (p-1)/n; if ((denominator(qq) == 1) && ispower(qq), return (p)); ); } \\ Michel Marcus, Feb 25 2018 CROSSREFS Cf. A001597, A213740. Sequence in context: A180024 A178197 A070848 * A060829 A096896 A056850 Adjacent sequences:  A213735 A213736 A213737 * A213739 A213740 A213741 KEYWORD nonn AUTHOR Michel Lagneau, Jun 19 2012 STATUS approved

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Last modified March 21 10:54 EDT 2018. Contains 301003 sequences. (Running on oeis4.)