VOOZH about

URL: https://oeis.org/A228989

⇱ A228989 - OEIS

login
A228989
Smallest missing number in first 10^n digits after the decimal point in expansion of e.
2
0, 10, 100, 1000, 1769, 92994, 102114, 1034207, 10034992
OFFSET
1,2
EXAMPLE
a(1) = 0 because number 0 is missing in first 10^1 = 10 digits after decimal point in expansion of e, that is, 2.7182818284.
MATHEMATICA
Do[With[{r = ToString[FromDigits[Rest[RealDigits[E, 10, 10^k][[1]]]]]}, Do[If[StringPosition[r, ToString[n]] == {}, Print[n]; k = k + 1; Break[]], {n, 0, 10000000}]], {k, 1, 7}]
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Shyam Sunder Gupta, Sep 10 2013
EXTENSIONS
Name improved by Alex Ratushnyak, Sep 22 2013
a(8)-a(9) from Michael S. Branicky, Jun 14 2023
STATUS
approved