This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A112522 Expansion of (1+3*x+14*x^2-10*x^3-10*x^4+16*x^5+15*x^6-15*x^7-2*x^8+4*x^9+8*x^10) / ((4*x^2+1)*(x^4-x^2+1)*(x^2+1)^2). 1
 1, 3, 9, -25, -59, 129, 273, -563, -1145, 2313, 4651, -9329, -18689, 37411, 74857, -149753, -299547, 599137, 1198321, -2396691, -4793433, 9586921, 19173899, -38347857, -76695777, 153391619, 306783305, -613566681, -1227133435, 2454266945, 4908533969, -9817068019, -19634136121 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Colin Barker, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (0,-5,0,-4,0,-1,0,-5,0,-4). FORMULA a(n) = -5*a(n-2) - 4*a(n-4) - a(n-6) - 5*a(n-8) - 4*a(n-10) for n > 10. - Colin Barker, May 18 2019 PROG (PARI) Vec((1+3*x+14*x^2-10*x^3-10*x^4+16*x^5+15*x^6-15*x^7-2*x^8+4*x^9+8*x^10)/((4*x^2+1)*(x^4-x^2+1)*(x^2+1)^2)+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012 CROSSREFS Cf. A112523. Sequence in context: A032681 A293852 A005209 * A005262 A101357 A004255 Adjacent sequences:  A112519 A112520 A112521 * A112523 A112524 A112525 KEYWORD sign,easy,changed AUTHOR Creighton Dement, Sep 09 2005 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 May 21 02:48 EDT 2019. Contains 323434 sequences. (Running on oeis4.)