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 A192255 1-sequence of reduction of (n^2) by x^2 -> x+1. 2
 0, 4, 13, 45, 120, 300, 692, 1524, 3225, 6625, 13280, 26096, 50432, 96100, 180925, 337085, 622328, 1139756, 2072580, 3744980, 6728345, 12026209, 21395328, 37901760, 66881760, 117598660, 206094157, 360085869, 627364920, 1090171020 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A192232 for definition of "k-sequence of reduction of [sequence] by [substitution]". LINKS FORMULA Empirical G.f.: x^2*(4-3*x+5*x^2-x^3)/(1-x)/(1-x-x^2)^3. [Colin Barker, Feb 10 2012] MATHEMATICA (See A192254.) CROSSREFS Cf. A192232, A192254. Sequence in context: A005490 A174299 A285188 * A035356 A320652 A203573 Adjacent sequences:  A192252 A192253 A192254 * A192256 A192257 A192258 KEYWORD nonn AUTHOR Clark Kimberling, Jun 27 2011 STATUS approved

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Last modified February 17 00:49 EST 2020. Contains 331976 sequences. (Running on oeis4.)