A144996 Denominators of an Egyptian fraction for 1/Sqrt[21] = 0.21821789...

5, 55, 27723, 1084714750, 2579620657453546201, 120904392155429552198250382953194665437, 29567118984689950525496948880094499522270777838300280083816338513462653571335

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Mathematica

a = {}; k = N[1/Sqrt[21], 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: A063855 A376767 A081785 * A129440 A045729 A067515

Adjacent sequences: A144993 A144994 A144995 * A144997 A144998 A144999

Keyword

frac,nonn

Author

Artur Jasinski, Sep 28 2008

Status

approved