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URL: https://oeis.org/A291858

⇱ A291858 - OEIS


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A291858
Decimal expansion of the "Pi OR e" (Piore) constant.
2
3, 7, 1, 8, 7, 4, 2, 1, 2, 7, 1, 9, 5, 5, 2, 2, 9, 2, 5, 4, 8, 9, 5, 0, 2, 0, 3, 3, 3, 9, 2, 3, 0, 8, 3, 2, 4, 8, 3, 6, 1, 3, 0, 0, 7, 8, 1, 0, 7, 7, 5, 1, 0, 2, 8, 6, 8, 8, 2, 2, 4, 1, 4, 0, 6, 3, 0, 5, 3, 5, 4, 6, 8, 0, 5, 1, 4, 9, 0, 8, 2, 9, 8, 9, 9, 9, 5, 1, 5, 2, 1, 3, 5, 4, 6, 9, 6, 9, 1, 3, 3, 0, 1
OFFSET
1,1
COMMENTS
Pi_2 = 11.00100100001111110... -> 3.1415926535897...
e_2 = 10.10110111111000010... -> 2.7182818284590...
Pi_2 OR e_2 = 11.10110111111111110... -> 3.7187421271955...
FORMULA
EXAMPLE
3.71874212719552292548950203339230832483613007810775102868822414063...
MATHEMATICA
With[{ndig = 400}, b = BitOr[RealDigits[Pi, 2, ndig][[1]], RealDigits[E, 2, ndig][[1]]]; RealDigits[FromDigits[{b, 2}, 2], 10, Floor[Length[b]*Log10[2]]][[1]]] (* Amiram Eldar, Mar 29 2026 *)
KEYWORD
nonn,cons,base,changed
AUTHOR
Alois P. Heinz, Sep 13 2017
STATUS
approved