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 A271210 Artiads (A001583) congruent to 1 mod 50 and for which 5 is a quintic residue. 1
 13451, 15901, 19001, 19801, 21701, 22901, 28001, 38851, 50551, 64301, 65101, 66851, 78101, 89101, 94351, 95701, 96401, 117751, 124001, 126001, 127951, 136601, 138401, 150301, 162251, 164701, 167051, 178301, 178501, 181001, 183301, 185051, 185401, 185951, 186301 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Hyperartiads (A270798) congruent to 1 mod 50. LINKS Eric M. Schmidt, Table of n, a(n) for n = 1..1000 E. Lehmer, Artiads characterized, J. Math. Anal. Appl. 15 1966 118-131. See p. 123-124, Theorem 3. E. Lehmer, Artiads characterized, J. Math. Anal. Appl. 15 1966 118-131 [annotated and corrected scanned copy] PROG (Sage) def isa(n) : return n % 50 == 1 and is_prime(n) and 5.powermod((n-1)//5, n) == 1 and fibonacci((n - 1)//5) % n == 0 CROSSREFS Cf. A001583, A270798. Sequence in context: A183676 A204394 A250818 * A284952 A250616 A115925 Adjacent sequences: A271207 A271208 A271209 * A271211 A271212 A271213 KEYWORD nonn AUTHOR Eric M. Schmidt, Apr 02 2016 STATUS approved

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Last modified May 18 03:12 EDT 2024. Contains 372617 sequences. (Running on oeis4.)