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A239528
Decimal expansion of a constant related to A048285.
1
1, 1, 9, 9, 7, 6, 5, 1, 2, 7, 4, 8, 0, 7, 7, 8, 9, 6, 7, 3, 0, 4, 9, 8, 4, 0, 0, 4, 3, 1, 2, 9, 2, 0, 7, 6, 2, 8, 2, 0, 7, 0, 5, 1, 9, 3, 3, 4, 7, 8, 6, 3, 4, 7, 1, 6, 2, 0, 7, 7, 4, 0, 4, 9, 6, 9, 2, 7, 1, 4, 7, 6, 2, 0, 7, 5, 6, 3, 4, 7, 4, 8, 1, 7, 2, 5, 9, 1, 4, 4, 0, 6, 7, 9, 3, 1, 5, 4, 2, 8, 0, 2, 1, 9, 0, 7
OFFSET
0,3
LINKS
J. G. Penaud and O. Roques, Génération de chemins de Dyck à pics croissants, Discrete Mathematics, Vol. 246, no. 1-3 (2002), 255-267.
FORMULA
Equals lim n->infinity A048285(n)/((3+sqrt(5))/2)^n.
EXAMPLE
0.11997651274807789673049840043129207628207...
MATHEMATICA
RealDigits[N[(Sqrt[5]-3)/(Sqrt[5]-5)*Sum[(-1)^k*x^(2*k)/Product[(1-x)*(1-x^i)-x, {i, 2, k+1}], {k, 0, 300}]/.x->(3-Sqrt[5])/2, 60]][[1]]
CROSSREFS
Cf. A048285.
Sequence in context: A201570 A019895 A196399 * A244347 A341901 A144669
KEYWORD
nonn,cons
AUTHOR
Vaclav Kotesovec, Mar 21 2014
STATUS
approved