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 A139617 a(n) = 136*n + 17. 4
 17, 153, 289, 425, 561, 697, 833, 969, 1105, 1241, 1377, 1513, 1649, 1785, 1921, 2057, 2193, 2329, 2465, 2601, 2737, 2873, 3009, 3145, 3281, 3417, 3553, 3689, 3825, 3961, 4097, 4233, 4369, 4505, 4641, 4777, 4913, 5049, 5185, 5321 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Numbers of the 17th column of positive numbers in the square array of nonnegative and polygonal numbers A139600. Also, numbers of the 17th column in the square array A057145. LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..5000 Index entries for linear recurrences with constant coefficients, signature (2,-1). MATHEMATICA 136*Range[0, 40]+17 (* or *) LinearRecurrence[{2, -1}, {17, 153}, 40] (* Harvey P. Dale, Jul 27 2015 *) PROG (Magma) [17*(8*n + 1): n in [0..60]]; // Vincenzo Librandi, Jul 23 2011 (PARI) a(n)=136*n+17 \\ Charles R Greathouse IV, Oct 05 2011 CROSSREFS Sequence in context: A162328 A161877 A221737 * A188353 A162637 A247613 Adjacent sequences: A139614 A139615 A139616 * A139618 A139619 A139620 KEYWORD easy,nonn AUTHOR Omar E. Pol, May 21 2008 STATUS approved

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Last modified December 7 21:37 EST 2023. Contains 367662 sequences. (Running on oeis4.)