A053688 - OEIS

A053688

Positions where 2 occurs in decimal expansion of e (starting count at decimal point).

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

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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: A312821 A312822 A340298 * A036302 A032377 A358435

Adjacent sequences: A053685 A053686 A053687 * A053689 A053690 A053691

KEYWORD

easy,nonn,base

AUTHOR

Enoch Haga, Feb 16 2000

STATUS

approved