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A090898 Index of first occurrence of the first n digits of e in the decimal expansion of Pi. 2

%I

%S 6,28,241,11706,28024,33789,1526800,73154827,246890641,6026562951,

%T 45111908393,1016065419627,8838254734240

%N Index of first occurrence of the first n digits of e in the decimal expansion of Pi.

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

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

%H David G. Andersen, <a href="http://www.angio.net/pi/piquery">The Pi-Search Page</a>.

%H Peter TrĂ¼b, <a href="https://pi2e.ch/blog/2017/03/10/pi-digits-download/">22.4 trillion digits of pi</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PickoversSequence.html">Pickover's Sequence</a>

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

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

%Y Cf. A000796, A001113.

%K nonn,base,more

%O 1,1

%A _Michael Joseph Halm_, Feb 26 2004

%E a(9)-a(13) from _Dmitry Petukhov_, Jan 15 2020

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Last modified April 20 14:14 EDT 2021. Contains 343135 sequences. (Running on oeis4.)