login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A113737 Decimal expansion of the constant given by Sum_{n>=0} A083952(n)/2^(n+1). 1
1, 3, 6, 6, 5, 7, 7, 1, 4, 0, 3, 9, 7, 5, 6, 6, 2, 7, 3, 7, 3, 4, 8, 0, 7, 0, 7, 4, 1, 0, 2, 8, 0, 3, 8, 8, 1, 0, 2, 6, 3, 9, 9, 2, 3, 9, 1, 9, 5, 5, 5, 9, 6, 1, 7, 4, 1, 4, 7, 8, 3, 0, 1, 7, 7, 7, 2, 7, 4, 2, 8, 7, 4, 7, 0, 4, 0, 5, 5, 2, 5, 1, 4, 4, 8, 7, 4, 4, 3, 4, 0, 5, 7, 4, 3, 3, 8, 6, 3, 5, 1, 2, 5, 3, 1, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..106.

EXAMPLE

1.3665771403975662737348070741028038810263992391955596174147830177...

MATHEMATICA

a[0] = 1; a[l_] := a[l] = Block[{k = 1, s = Sum[ a[i]*x^i, {i, 0, l - 1}]}, While[ IntegerQ[ Last[ CoefficientList[ Series[(s + k*x^l)^(1/2), {x, 0, l}], x]]] != True, k++ ]; k]; t = Table[a[n], {n, 0, 370}]; RealDigits[ FromDigits[{t - 1, 0}, 2], 10, 111][[1]]

CROSSREFS

Cf. A083952.

Sequence in context: A225462 A179949 A187601 * A292165 A327576 A040006

Adjacent sequences:  A113734 A113735 A113736 * A113738 A113739 A113740

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v, Nov 08 2005

EXTENSIONS

Name changed and comments removed by Paul D. Hanna, Apr 19 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 13 00:25 EST 2019. Contains 329083 sequences. (Running on oeis4.)