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 A075413 Squares of A002278. 9
 0, 16, 1936, 197136, 19749136, 1975269136, 197530469136, 19753082469136, 1975308602469136, 197530863802469136, 19753086415802469136, 1975308641935802469136, 197530864197135802469136 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS A transformation of the Wonderful Demlo numbers (A002477). LINKS Colin Barker, Table of n, a(n) for n = 0..100 G. Villemin, Variations sur les carrĂ©s Index entries for linear recurrences with constant coefficients, signature (111,-1110,1000). FORMULA a(n) = A002278(n)^2 = (4 * A002275(n) )^2 = 16 * (A002275(n) )^2. From Colin Barker, Jul 17 2019: (Start) G.f.: 16*x*(1 + 10*x) / ((1 - x)*(1 - 10*x)*(1 - 100*x)). a(n) = 111*a(n-1) - 1110*a(n-2) + 1000*a(n-3) for n>2. a(n) = 16*(10^n-1)^2/81. (End) EXAMPLE a(2) = 44^2 = 1936. PROG (PARI) concat(0, Vec(16*x*(1 + 10*x) / ((1 - x)*(1 - 10*x)*(1 - 100*x)) + O(x^20))) \\ Colin Barker, Jul 17 2019 CROSSREFS Cf. A075411, A075412, A075413, A075414, A075415, A075416, A075417, A002283. Sequence in context: A264199 A160306 A167000 * A265213 A176886 A159389 Adjacent sequences:  A075410 A075411 A075412 * A075414 A075415 A075416 KEYWORD easy,nonn AUTHOR Michael Taylor (michael.taylor(AT)vf.vodafone.co.uk), Sep 14 2002 STATUS approved

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Last modified June 22 19:28 EDT 2021. Contains 345388 sequences. (Running on oeis4.)