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A001466 Denominator of Egyptian fraction for Pi - 3.
(Formerly M4553 N1935)
29
8, 61, 5020, 128541455, 162924332716605980, 28783052231699298507846309644849796, 871295615653899563300996782209332544845605756266650946342214549769447 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

Mohammad K. Azarian, An Expression for , Problem #870, College Mathematics Journal, Vol. 39, No. 1, January 2008, pp. 66. Solution appeared in Vol. 40, No. 1, January 2009, pp. 62-64.

H. E. Salzer, The approximation of numbers as sums of reciprocals, Amer. Math. Monthly, 54 (1947), 135-142.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

J. W. Wrench, Jr., personal communication.

LINKS

S. Plouffe, Table of n, a(n) for n = 1..11 [There is a limit of about 1000 digits on the size of numbers in b-files]

S. Plouffe, Table of n, a(n) for n = 1..14

Eric Weisstein's World of Mathematics, Egyptian Fraction

Index entries for sequences related to the number Pi

MATHEMATICA

lst={}; k=N[(Pi-3), 1000]; Do[s=Ceiling[1/k]; AppendTo[lst, s]; k=k-1/s, {n, 12}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 02 2009]

CROSSREFS

Sequence in context: A081907 A190976 A080525 * A082179 A044527 A198690

Adjacent sequences:  A001463 A001464 A001465 * A001467 A001468 A001469

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 13:02 EST 2012. Contains 205909 sequences.