This site is supported by donations to The OEIS Foundation.

 Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A063291 Dimension of the space of weight n cuspidal newforms for Gamma_1( 18 ). 0
 -1, 2, 6, 7, 8, 13, 14, 16, 20, 22, 22, 27, 28, 31, 34, 36, 36, 42, 42, 45, 48, 51, 50, 56, 56, 60, 62, 65, 64, 71, 70, 74, 76, 80, 78, 85, 84, 89, 90, 94, 92, 100, 98, 103, 104, 109, 106, 114, 112, 118, 118, 123, 120, 129, 126, 132, 132, 138, 134, 143 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,2 LINKS William A. Stein, Dimensions of the spaces S_k^{new}(Gamma_1(N)) William A. Stein, The modular forms database FORMULA Conjectures from Colin Barker, Feb 24 2016: (Start) a(n) = a(n-4) + a(n-6) - a(n-10) for n>13. G.f.: -x^2*(1 -2*x -6*x^2 -7*x^3 -9*x^4 -11*x^5 -9*x^6 -7*x^7 -6*x^8 -2*x^9 +x^10) / ((1 -x)^2*(1 +x)^2*(1 -x +x^2)*(1 +x^2)*(1 +x +x^2)). (End) CROSSREFS Sequence in context: A030366 A048859 A026311 * A088225 A165775 A258826 Adjacent sequences:  A063288 A063289 A063290 * A063292 A063293 A063294 KEYWORD sign AUTHOR N. J. A. Sloane, Jul 14 2001 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified December 11 19:53 EST 2018. Contains 318050 sequences. (Running on oeis4.)