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A053688 Positions where 2 occurs in decimal expansion of e (starting count at decimal point). 0
4, 8, 16, 22, 30, 33, 40, 62, 65, 87, 92, 98, 101, 111, 119, 131, 138, 145, 148, 162, 164, 167, 178, 182, 193, 216, 238, 252, 253, 273, 279, 297, 306, 316, 333, 341, 346, 358, 365, 371, 382, 391, 402, 410, 426, 430, 432, 440, 490, 500, 508, 512, 517, 518, 528 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..54.

EXAMPLE

2 first occurs at the 4th position to the right of the decimal point.

MATHEMATICA

Rest[Flatten[Position[RealDigits[E, 10, 600][[1]], 2]]]-1 (* Harvey P. Dale, Sep 20 2016 *)

CROSSREFS

Cf. A001113.

Sequence in context: A312820 A312821 A312822 * A036302 A032377 A312823

Adjacent sequences:  A053685 A053686 A053687 * A053689 A053690 A053691

KEYWORD

easy,nonn,base

AUTHOR

Enoch Haga, Feb 16 2000

STATUS

approved

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Last modified November 27 06:31 EST 2020. Contains 338678 sequences. (Running on oeis4.)