OFFSET

1,1

COMMENTS

a(9) is the first position in the decimal expansion of Pi at which the string "271828182" begins.

REFERENCES

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

LINKS

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

KEYWORD

nonn,base,more

AUTHOR

Michael Joseph Halm, Feb 26 2004

EXTENSIONS

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

a(14)-a(15) from Dmitry Petukhov, Sep 19 2022

STATUS

approved