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 A017317 a(n) = 10n + 4. 15
 4, 14, 24, 34, 44, 54, 64, 74, 84, 94, 104, 114, 124, 134, 144, 154, 164, 174, 184, 194, 204, 214, 224, 234, 244, 254, 264, 274, 284, 294, 304, 314, 324, 334, 344, 354, 364, 374, 384, 394, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 504, 514, 524, 534 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Apart from initial term(s), dimension of the space of weight 2n cusp forms for Gamma_0( 59 ). LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..5000 Tanya Khovanova, Recursive Sequences William A. Stein, Dimensions of the spaces S_k(Gamma_0(N)) William A. Stein, The modular forms database Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA a(n) = 10*n + 4; a(n) = 2*a(n-1) - a(n-2). - Vincenzo Librandi, May 29 2011 G.f.: 2*(2+3*x)/(x-1)^2 . - R. J. Mathar, Mar 20 2018 MATHEMATICA Range[4, 1000, 10] (* Vladimir Joseph Stephan Orlovsky, May 28 2011 *) PROG (Magma) [10*n+4: n in [0..60]]; // Vincenzo Librandi, May 29 2011 (PARI) a(n)=10*n+4 \\ Charles R Greathouse IV, Jul 10 2016 CROSSREFS Cf. A008592, A017305. Sequence in context: A277966 A043505 A277591 * A195973 A116963 A094930 Adjacent sequences: A017314 A017315 A017316 * A017318 A017319 A017320 KEYWORD nonn,easy AUTHOR N. J. A. Sloane STATUS approved

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Last modified May 29 07:06 EDT 2024. Contains 372926 sequences. (Running on oeis4.)