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 A105451 Numbers k such that prime(k+1) == 8 (mod k). 6
 1, 5, 15, 73, 75, 100347, 637329, 27067271, 179993015, 1208198523 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS No additional terms up to 7 million. - Harvey P. Dale, Jan 23 2012 Integers k such that A004649(k+1) = 8. - Michel Marcus, Dec 30 2022 LINKS Table of n, a(n) for n=1..10. MATHEMATICA bb={}; Do[If[8==Mod[Prime[n+1], n], bb=Append[bb, n]], {n, 1, 1000000}]; bb Select[Range[700000], Mod[Prime[#+1], #]==8&] (* Harvey P. Dale, Jan 23 2012 *) PROG def A105451(max) : ....terms = [] ....p = 3 ....for n in range(1, max+1) : ........if (p - 7) % n == 0 : terms.append(n) ........p = next_prime(p) ....return terms end # Eric M. Schmidt, Feb 05 2013 CROSSREFS Cf. A004649, A105286, A105287, A105288, A105290, A105329. Cf. A023150 (Numbers k such that prime(n) == 8 (mod k)). Sequence in context: A149650 A318376 A186364 * A149651 A149652 A151487 Adjacent sequences: A105448 A105449 A105450 * A105452 A105453 A105454 KEYWORD nonn,more AUTHOR Zak Seidov, May 02 2005 EXTENSIONS First two terms inserted by Eric M. Schmidt, Feb 05 2013 a(8)-a(10) from Michel Marcus, Dec 29 2022 STATUS approved

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Last modified April 12 09:28 EDT 2024. Contains 371627 sequences. (Running on oeis4.)