A385496 - OEIS

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A385496

Decimal expansion of 1 - exp(1/2)/2.

0

1, 7, 5, 6, 3, 9, 3, 6, 4, 6, 4, 9, 9, 3, 5, 9, 2, 6, 5, 7, 5, 6, 7, 4, 6, 0, 6, 0, 9, 2, 9, 1, 8, 2, 1, 4, 1, 7, 3, 1, 1, 1, 9, 4, 9, 6, 4, 4, 9, 2, 5, 9, 9, 4, 2, 1, 2, 4, 6, 0, 3, 4, 4, 1, 7, 9, 6, 6, 9, 4, 8, 9, 4, 0, 2, 8, 9, 2, 1, 9, 5, 6, 8, 3, 6, 1, 1, 7, 3, 9, 9, 7, 1, 8, 1, 6, 6, 7, 8, 4, 9, 8, 5, 6, 6

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

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..104.

Michael I. Shamos, A catalog of the real numbers, (2007), p. 218.

FORMULA

Equals 1 - A019775.

Equals Sum_{n>=1} 1/n! * Sum_{k>=2} log(k)^n/(k!*2^k).

EXAMPLE

0.17563936464993592657567460609291821417311194964492...

MATHEMATICA

RealDigits[1 - Exp[1/2]/2, 10, 105][[1]]

CROSSREFS

Sequence in context: A244687 A154171 A199442 * A280811 A072283 A225448

Adjacent sequences: A385493 A385494 A385495 * A385497 A385498 A385499

KEYWORD

nonn,cons

AUTHOR

Artur Jasinski, Jun 30 2025

STATUS

approved