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A080219 Decimal expansion of exponential factorial constant Sum_{n>=1} 1/A049384(n). 1
1, 6, 1, 1, 1, 1, 4, 9, 2, 5, 8, 0, 8, 3, 7, 6, 7, 3, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; constant; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

This is a Liouville number and therefore transcendental.

REFERENCES

Contributed by Jonathan Sondow.

LINKS

Eric Weisstein's World of Mathematics, Exponential Factorial

EXAMPLE

1/1 + 1/2 + 1/9 + 1/262144 + ... = 1.611...

CROSSREFS

Sequence in context: A143532 A202917 A167155 * A040037 A009194 A007732

Adjacent sequences:  A080216 A080217 A080218 * A080220 A080221 A080222

KEYWORD

nonn,cons

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Feb 06, 2003

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Last modified February 23 08:31 EST 2012. Contains 206628 sequences.