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A248679
Decimal expansion of r = sum_{n >= 0} floor(3n/2)!/(2n)!.
3
1, 8, 0, 3, 4, 0, 2, 9, 9, 9, 1, 6, 7, 8, 2, 3, 8, 6, 9, 4, 4, 5, 0, 3, 0, 4, 8, 0, 4, 6, 7, 8, 6, 9, 4, 8, 3, 4, 5, 3, 1, 7, 1, 6, 0, 2, 8, 2, 7, 3, 9, 9, 4, 2, 3, 5, 8, 5, 9, 1, 4, 1, 2, 2, 9, 9, 0, 9, 4, 1, 6, 5, 0, 3, 9, 7, 3, 7, 8, 0, 1, 8, 7, 0, 3, 6
OFFSET
1,2
LINKS
EXAMPLE
r = 1.80340299916782386944503048046786948345317...
MAPLE
evalf(sum(floor(3n/2)!/(2n)!, n=0..infinity), 120); # Vaclav Kotesovec, Oct 17 2014
MATHEMATICA
x = N[Sum[Floor[3 n/2]!/(2 n)!, {n, 0, 200}], 120]
RealDigits[x][[1]] (* A248679 *)
CROSSREFS
Sequence in context: A300713 A373513 A020837 * A175574 A195342 A307184
KEYWORD
nonn,easy,cons
AUTHOR
Clark Kimberling, Oct 11 2014
STATUS
approved