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!)
A090898 Index of first occurrence of the first n digits of e in the decimal expansion of Pi. 2
6, 28, 241, 11706, 28024, 33789, 1526800, 73154827, 246890641, 6026562951, 45111908393, 1016065419627, 8838254734240 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The next term would be the position in the decimal expansion of pi at which the string "271828182" begins.

REFERENCES

C. A. Pickover, "The Mathematics of Oz", p. 337

LINKS

Table of n, a(n) for n=1..13.

David G. Andersen, The Pi-Search Page.

Peter TrĂ¼b, 22.4 trillion digits of pi

Eric Weisstein's World of Mathematics, Pickover's Sequence

EXAMPLE

a(1) = 6 because the first digit of e, 2, in the decimal expansion of pi is in position 6

a(2) = 28 because '27' appears in the decimal expansion of Pi beginning at the 28th position, .141592653589793238462643383'27'95028841971693993751

CROSSREFS

Cf. A000796, A001113.

Sequence in context: A206708 A336565 A216413 * A134872 A281003 A049603

Adjacent sequences:  A090895 A090896 A090897 * A090899 A090900 A090901

KEYWORD

nonn,base,more

AUTHOR

Michael Joseph Halm, Feb 26 2004

EXTENSIONS

a(9)-a(13) from Dmitry Petukhov, Jan 15 2020

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 March 5 16:55 EST 2021. Contains 341827 sequences. (Running on oeis4.)