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!)
A086667 Triangular array, read by rows: T(n,k) = greatest decimal number of length k contained as a string in the first n positions of the decimal expansion of Pi, 1 <= k <= n. 0
3, 3, 31, 4, 31, 314, 4, 41, 314, 3141, 5, 41, 415, 3141, 31415, 9, 59, 415, 4159, 31415, 314159, 9, 92, 592, 4159, 41592, 314159, 3141592, 9, 92, 926, 5926, 41592, 415926, 3141592, 31415926, 9, 92, 926, 9265, 59265, 415926, 4159265, 31415926 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: T(n,k) -> 10^k - 1.

LINKS

Table of n, a(n) for n=1..44.

Dave Andersen, The Pi-Search Page.

Eric Weisstein's World of Mathematics, Pi.

EXAMPLE

Triangle begins:

  3,

  3, 31,

  4, 31, 314,

  4, 41, 314, 3141,

  5, 41, 415, 3141, 31415,

  ...

CROSSREFS

Cf. A000796.

Sequence in context: A151480 A096351 A344934 * A067098 A188897 A088060

Adjacent sequences:  A086664 A086665 A086666 * A086668 A086669 A086670

KEYWORD

nonn,base,tabl

AUTHOR

Reinhard Zumkeller, Jul 27 2003

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 1 19:59 EDT 2021. Contains 346402 sequences. (Running on oeis4.)