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Revision History for A191504 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A191504 Decimal expansion of the number 1/(1+1/(1+2/(1+3/(1+5/(1+7/(1+11/(1+13/(1+17/(1+19/(1+... )))))))))), where coefficients > 1 are the primes.
(history; published version)
#26 by Alois P. Heinz at Fri Jan 22 16:47:26 EST 2021
STATUS

proposed

approved

#25 by Michel Marcus at Fri Jan 22 12:23:38 EST 2021
STATUS

editing

proposed

#24 by Michel Marcus at Fri Jan 22 12:23:35 EST 2021
PROG

(PARI) default(realprecision, 80); s=sqrt(p=1e6); while(p=precprime(p-1), s=p/(1+s)); eval(vecextract(Vec(Str((1+s)/(2+s))), "3..-2")) \\ - ")) \\ _M. F. Hasler, _, Jun 16 2011.

STATUS

approved

editing

#23 by Jon E. Schoenfield at Sun Mar 15 19:00:33 EDT 2015
STATUS

editing

approved

#22 by Jon E. Schoenfield at Sun Mar 15 19:00:32 EDT 2015
MATHEMATICA

N[Fold[#2/(1 + #1) &, 0, Join[Reverse@Prime@Range@180000, {1, 1}]], 111] [From _] (* _Robert G. Wilson v_, Jun 16 2011] *)

EXTENSIONS

Values corrected upon observation by R. J. Mathar, Jun 16 2011.

STATUS

approved

editing

#21 by N. J. A. Sloane at Thu Oct 31 12:32:26 EDT 2013
STATUS

editing

approved

#20 by N. J. A. Sloane at Thu Oct 31 12:32:22 EDT 2013
MATHEMATICA

N[Fold[#2/(1 + #1) &, 0, Join[Reverse@Prime@Range@180000, {1, 1}]], 111] [From _Robert R. G. Wilson v, _, Jun 16 2011]

EXTENSIONS

Values corrected upon observation by _R. J. Mathar, _, Jun 16 2011.

STATUS

approved

editing

#19 by Max Alekseyev at Sun Aug 11 20:09:33 EDT 2013
STATUS

editing

approved

#18 by Max Alekseyev at Sun Aug 11 20:09:30 EDT 2013
DATA

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

STATUS

approved

editing

#17 by Max Alekseyev at Sun Aug 11 17:54:14 EDT 2013
STATUS

editing

approved

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Last modified August 31 17:11 EDT 2024. Contains 375572 sequences. (Running on oeis4.)