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 A172407 Positive numbers n such that n+10 is a prime. 1
 1, 3, 7, 9, 13, 19, 21, 27, 31, 33, 37, 43, 49, 51, 57, 61, 63, 69, 73, 79, 87, 91, 93, 97, 99, 103, 117, 121, 127, 129, 139, 141, 147, 153, 157, 163, 169, 171, 181, 183, 187, 189, 201, 213, 217, 219, 223, 229, 231, 241, 247, 253, 259, 261, 267, 271, 273, 283, 297 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA a(n) = prime(n+4) - 10. a(n) = binomial(prime(n+4)-3,3) mod prime(n+4), (Empirical). - Gary Detlefs, Jul 10 2014 EXAMPLE a(1) = 1 because 1+10 = 11 = prime. MAPLE A172407:=n->ithprime(n+4)-10: seq(A172407(n), n=1..50); # Wesley Ivan Hurt, Jul 10 2014 MATHEMATICA Table[Prime[n + 4] - 10, {n, 50}] (* or *) Prime[Range[50] + 4] - 10 (* Wesley Ivan Hurt, Jul 10 2014 *) CROSSREFS Cf. A000040. Sequence in context: A266836 A066207 A141544 * A088649 A020498 A200567 Adjacent sequences:  A172404 A172405 A172406 * A172408 A172409 A172410 KEYWORD nonn AUTHOR Juri-Stepan Gerasimov, Feb 01 2010 STATUS approved

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Last modified January 17 15:12 EST 2020. Contains 330958 sequences. (Running on oeis4.)