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 A017509 a(n) = 11*n + 10. 6
 10, 21, 32, 43, 54, 65, 76, 87, 98, 109, 120, 131, 142, 153, 164, 175, 186, 197, 208, 219, 230, 241, 252, 263, 274, 285, 296, 307, 318, 329, 340, 351, 362, 373, 384, 395, 406, 417, 428, 439, 450, 461, 472, 483, 494, 505, 516, 527, 538, 549, 560, 571, 582 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS If k is any member of A045572, the sequence lists the numbers n such that (n^k+1)/11 is a nonnegative integer. See also A267541. - Bruno Berselli, Jan 16 2016 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..10000 Tanya Khovanova, Recursive Sequences INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 989 Index entries for linear recurrences with constant coefficients, signature (2,-1). MATHEMATICA f[n_] := FromDigits[IntegerDigits[n^2 + 2n - 1, n + 1]]; Array[f, 54] (* Robert G. Wilson v, Apr 14 2009 *) Range[10, 1000, 11] (* Vladimir Joseph Stephan Orlovsky, May 29 2011 *) PROG (Sage) [i+10 for i in range(475) if gcd(i, 11) == 11] # Zerinvary Lajos, May 21 2009 (MAGMA) [11*n+10: n in [0..60]]; // Vincenzo Librandi, Sep 18 2011 (PARI) a(n)=11*n+10 \\ Charles R Greathouse IV, Jul 10 2016 CROSSREFS Cf. A008593, A017401, A017413, A045572, A267541. Sequence in context: A061470 A095778 A065438 * A184989 A072806 A189402 Adjacent sequences:  A017506 A017507 A017508 * A017510 A017511 A017512 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified January 24 03:42 EST 2019. Contains 319412 sequences. (Running on oeis4.)