login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A274210 Decimal expansion of the reciprocal of the constant in A274195. 4
7, 7, 0, 0, 3, 5, 9, 6, 5, 7, 1, 2, 9, 2, 9, 1, 9, 8, 7, 9, 2, 2, 1, 4, 1, 6, 6, 1, 9, 6, 7, 9, 8, 9, 9, 3, 7, 0, 3, 2, 9, 4, 1, 7, 2, 3, 4, 0, 9, 3, 7, 2, 9, 6, 4, 2, 9, 4, 7, 0, 5, 2, 2, 0, 0, 8, 0, 8, 6, 3, 5, 9, 3, 8, 2, 6, 4, 6, 7, 0, 9, 4, 0, 8, 9, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..85.

EXAMPLE

Limiting ratio = 0.770035965712929198792214166196...

MATHEMATICA

z = 1600; g[n_, 0] = g[n, 0] = 1;

g[n_, k_] := g[n, k] = If[k > n, 0, g[n - 1, k - 1] + g[n - 1, 3 k]];

t = Table[g[n, k], {n, 0, z}, {k, 0, n}];

w = Map[Total, t]; (*A274194*)

u = N[w[[z]]/w[[z + 1]], 100]

RealDigits[u][[1]] (*A274210*)

CROSSREFS

Cf. A274195, A274194, A274195, A274209, A274211.

Sequence in context: A130553 A284210 A002394 * A105167 A217227 A217346

Adjacent sequences:  A274207 A274208 A274209 * A274211 A274212 A274213

KEYWORD

nonn,cons,easy

AUTHOR

Clark Kimberling, Jun 16 2016

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 August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)