The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A261004 Expansion of (-3-164*x-x^2)/(1-99*x+99*x^2-x^3). 8
 -3, -461, -45343, -4443321, -435400283, -42664784581, -4180713488823, -409667257120241, -40143210484294963, -3933624960203786301, -385455102889486762703, -37770666458209498958761, -3701139857801641411196043, -362673935398102648798253621, -35538344529156257940817658983 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS McLaughlin (2010) gives an identity relating ten sequences, denoted a_k, b_k, ..., f_k, p_k, q_k, r_k, s_k. This is the sequence a_k. LINKS Kwang-Wu Chen, Extensions of an amazing identity of Ramanujan, Fib. Q., 50 (2012), 227-230. J. McLaughlin, An identity motivated by an amazing identity of Ramanujan, Fib. Q., 48 (No. 1, 2010), 34-38. Index entries for linear recurrences with constant coefficients, signature (99, -99, 1). MATHEMATICA LinearRecurrence[{99, -99, 1}, {-3, -461, -45343}, 30] (* Harvey P. Dale, Dec 02 2017 *) PROG (PARI) Vec((-3-164*x-x^2)/(1-99*x+99*x^2-x^3) + O(x^20)) \\ Michel Marcus, Feb 29 2016 CROSSREFS Cf. A051028, A051029, A051030. Cf. A269548, A269549, A269550, A269551, A269552, A269553, A269554, A269555, A269556. Sequence in context: A140870 A157601 A094454 * A157587 A054702 A140015 Adjacent sequences:  A261001 A261002 A261003 * A261005 A261006 A261007 KEYWORD easy,sign AUTHOR N. J. A. Sloane, Aug 12 2015 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 September 19 05:33 EDT 2020. Contains 337176 sequences. (Running on oeis4.)