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 A016833 (4n+2)^9. 0
 512, 10077696, 1000000000, 20661046784, 198359290368, 1207269217792, 5429503678976, 19683000000000, 60716992766464, 165216101262848, 406671383849472, 922190162669056, 1953125000000000, 3904305912313344 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Index entries for linear recurrences with constant coefficients, signature (10, -45, 120, -210, 252, -210, 120, -45, 10, -1). MATHEMATICA (4*Range[0, 20]+2)^9 (* or *) LinearRecurrence[{10, -45, 120, -210, 252, -210, 120, -45, 10, -1}, {512, 10077696, 1000000000, 20661046784, 198359290368, 1207269217792, 5429503678976, 19683000000000, 60716992766464, 165216101262848}, 20] (* Harvey P. Dale, May 26 2018 *) CROSSREFS Sequence in context: A016797 A013789 A283935 * A103352 A013848 A227607 Adjacent sequences:  A016830 A016831 A016832 * A016834 A016835 A016836 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified June 19 17:56 EDT 2019. Contains 324222 sequences. (Running on oeis4.)