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A192682
Floor-Sqrt transform of numbers of A078678 (Grand Dyck paths with no zigzags).
0
1, 1, 2, 2, 4, 6, 10, 15, 24, 38, 60, 95, 150, 238, 379, 602, 959, 1529, 2439, 3893, 6218, 9939, 15896, 25436, 40719, 65214, 104486, 167470, 268514, 430661, 690929, 1108799, 1779860, 2857757, 4589497, 7372235, 11844653, 19033982, 30592616, 49178930, 79070268, 127149739, 204494942
OFFSET
0,3
FORMULA
a(n) = floor(sqrt(A078678(n))).
MATHEMATICA
FSFromSeries[f_, x_, n_] := Map[Floor[Sqrt[#]]&, CoefficientList[Series[f, {x, 0, n}], x]]
FSFromSeries[(1+x+x^2)/Sqrt[1-2x-x^2-2x^3+x^4], x, 100]
CROSSREFS
Sequence in context: A306731 A276059 A034410 * A050194 A288006 A228807
KEYWORD
nonn
AUTHOR
Emanuele Munarini, Jul 07 2011
STATUS
approved