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A269430 Decimal expansion of (1 + Pi)/2. 1
2, 0, 7, 0, 7, 9, 6, 3, 2, 6, 7, 9, 4, 8, 9, 6, 6, 1, 9, 2, 3, 1, 3, 2, 1, 6, 9, 1, 6, 3, 9, 7, 5, 1, 4, 4, 2, 0, 9, 8, 5, 8, 4, 6, 9, 9, 6, 8, 7, 5, 5, 2, 9, 1, 0, 4, 8, 7, 4, 7, 2, 2, 9, 6, 1, 5, 3, 9, 0, 8, 2, 0, 3, 1, 4, 3, 1, 0, 4, 4, 9, 9, 3, 1, 4, 0, 1, 7, 4, 1, 2, 6, 7, 1, 0, 5, 8, 5, 3, 3, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
Equals A096444 + 1 or A019669 + 1/2.
Equals Sum_{k>=0} 2^k/binomial(2*k+2,k). - Amiram Eldar, Jun 30 2020
EXAMPLE
2.0707963267948966192313216916397514420985846996875529...
PROG
(Sage) N((1+pi)/2, digits=110)
(PARI) (1 + Pi)/2 \\ Altug Alkan, Apr 07 2016
CROSSREFS
Sequence in context: A340140 A334341 A285174 * A363891 A142709 A266220
KEYWORD
cons,nonn
AUTHOR
Jani Melik, Feb 26 2016
STATUS
approved

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Last modified February 23 13:07 EST 2024. Contains 370283 sequences. (Running on oeis4.)