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A131566 Decimal expansion of (e*Pi*phi)^2. +0
4
1, 9, 0, 9, 2, 5, 5, 2, 3, 3, 3, 4, 4, 5, 8, 8, 2, 3, 6, 9, 0, 3, 9, 5, 2, 4, 1, 4, 2, 9, 1, 0, 9, 4, 0, 6, 0, 7, 2, 4, 4, 3, 4, 6, 4, 1, 0, 8, 7, 8, 4, 6, 9, 4, 2, 6, 5, 0, 7, 5, 7, 1, 9, 2, 0, 2, 0, 0, 2, 1, 1, 9, 2, 8, 1, 7, 1, 1, 0, 9, 4, 5, 7, 6, 5, 8, 8, 6, 1, 1, 2, 9, 9, 6, 2, 8, 9, 9, 7, 1, 0, 6, 8, 2, 7 (list; cons; graph; listen)
OFFSET

3,2

COMMENT

phi = (5^(1/2) + 1)/2 = (1 + sqrt(5))/2.

LINKS

Harry J. Smith, Table of n, a(n) for n=3,...,20000

EXAMPLE

190.925523334...

MATHEMATICA

phi=(5^(1/2)+1)/2; RealDigits[N[(Pi*E*phi)^2, 6! ]][[1]] [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 18 2009]

PROGRAM

(PARI) { default(realprecision, 20080); phi = (1 + sqrt(5))/2; x=(exp(1)*Pi*phi)^2/100; for (n=3, 20000, d=floor(x); x=(x-d)*10; write("b131566.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Apr 27 2009]

CROSSREFS

Cf. A001113, A000796, A001622, A019609, A094886, A094885.

Sequence in context: A059058 A021015 A010680 this_sequence A160576 A104756 A154994

Adjacent sequences: A131563 A131564 A131565 this_sequence A131567 A131568 A131569

KEYWORD

cons,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Aug 27 2007

EXTENSIONS

More terms from Harry J. Smith (hjsmithh(AT)sbcglobal.net), Apr 26 2009

Fixed my PARI program, had -n Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 19 2009

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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