A036904 - OEIS

A036904

Scan decimal expansion of e until all n-digit strings have been seen; a(n) is number of digits that must be scanned.

21, 372, 8092, 102128, 1061613, 12108841, 198150341, 1929504534

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

The digits scanned are {2, 7, 1, 8, 2, 8, ...}, so the initial 2 in 2.71828... is included and counted as the first digit.

LINKS

Eric Weisstein's World of Mathematics, Constant Digit Scanning

Eric Weisstein's World of Mathematics, e Digits

CROSSREFS

Cf. A001113 (decimal expansion of e).

Cf. A036900 (last number encountered when scanning the decimal expansion of e for all n-digit strings).

Cf. A088576 (starting positions of the first occurrence of n in the decimal expansion of e).

KEYWORD

nonn,base,more

AUTHOR

EXTENSIONS

a(7) from Piotr Idzik, Nov 01 2011

a(8) from Eric W. Weisstein, Sep 11 2013

STATUS

approved