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A145439 Decimal expansion of sum_{n=0..inf} binomial(4n,2n)/2^(6n). 1
1, 1, 1, 5, 3, 5, 5, 0, 7, 1, 6, 5, 0, 4, 1, 0, 5, 4, 0, 7, 6, 7, 0, 5, 8, 3, 7, 4, 5, 5, 5, 8, 3, 0, 9, 3, 7, 9, 4, 5, 8, 2, 7, 1, 8, 4, 4, 6, 4, 5, 8, 5, 7, 2, 4, 6, 6, 0, 4, 5, 5, 2, 9, 6, 8, 7, 0, 5, 2, 6, 3, 0, 2, 1, 4, 0, 6, 0, 6, 0, 2, 3, 8, 4, 8, 5, 0, 3, 6, 7, 2, 6, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,4

REFERENCES

Alexander Apelblat, Tables of Integrals and Series, Harri Deutsch, (1996), 4.1.49.

LINKS

Table of n, a(n) for n=1..93.

FORMULA

(1+A020760)*A010503 .

EXAMPLE

1.1153550716504105..

MAPLE

1/2*(1+1/3*3^(1/2))*2^(1/2);

CROSSREFS

Sequence in context: A122277 A198211 A216707 * A165096 A165098 A194584

Adjacent sequences:  A145436 A145437 A145438 * A145440 A145441 A145442

KEYWORD

cons,easy,nonn

AUTHOR

R. J. Mathar, Feb 08 2009

EXTENSIONS

Corrected typo in definition R. J. Mathar, Feb 09 2009

STATUS

approved

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Last modified May 23 15:01 EDT 2013. Contains 225610 sequences.