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A019778 Decimal expansion of sqrt(e)/5. 2
3, 2, 9, 7, 4, 4, 2, 5, 4, 1, 4, 0, 0, 2, 5, 6, 2, 9, 3, 6, 9, 7, 3, 0, 1, 5, 7, 5, 6, 2, 8, 3, 2, 7, 1, 4, 3, 3, 0, 7, 5, 5, 2, 2, 0, 1, 4, 2, 0, 2, 9, 6, 0, 2, 3, 1, 5, 0, 1, 5, 8, 6, 2, 3, 2, 8, 1, 3, 2, 2, 0, 4, 2, 3, 8, 8, 4, 3, 1, 2, 1, 7, 2, 6, 5, 5, 5, 3, 0, 4, 0, 1, 1, 2, 7, 3, 3, 2, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
FORMULA
Equals 0.1 * 2*sqrt(e) = 0.1 * Sum_{k>=0} (2*k+1)/(2^k * k!). - Amiram Eldar, Aug 07 2020
EXAMPLE
0.32974425414002562936973015756283271433075522014202...
MATHEMATICA
RealDigits[Sqrt[E]/5, 10, 120][[1]] (* Harvey P. Dale, Aug 25 2019 *)
CROSSREFS
Cf. A019774.
Sequence in context: A078478 A346109 A362220 * A134480 A182950 A011323
KEYWORD
nonn,cons
AUTHOR
STATUS
approved

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Last modified June 17 03:01 EDT 2024. Contains 373432 sequences. (Running on oeis4.)