A142726 Denominators of an Egyptian fraction for 1/Sqrt[20] = 0.2236067977...

5, 43, 2850, 9380555, 131539825706327, 25568462906010064277774504354, 1702783284378767791750994476557209698496292570221862357616, 9282809298390896944529722953873240985108041182275536393531898614770319137100914187360035180181565645720539192811580

Offset

1,1

Links

Table of n, a(n) for n=1..8.

Mathematica

a = {}; k = N[1/Sqrt[20], 1000]; Do[s = Ceiling[1/k]; AppendTo[a, s]; k = k - 1/s, {n, 1, 10}]; a (*Artur Jasinski*)

Crossrefs

A069139, A006487, A006526, A006525, A006524, A001466, A110820, A117116, A118323, A118324, A118325, A144835, A132480-A132574, A069261, A144984-A145003

Sequence in context: A271679 A350875 A099794 * A079646 A292697 A247712

Adjacent sequences: A142723 A142724 A142725 * A142727 A142728 A142729

Keyword

frac,nonn

Author

Artur Jasinski, Sep 28 2008

Status

approved