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Revision History for A371650 (Underlined text is an addition; strikethrough text is a deletion.)

Showing all changes.
A371650 Decimal expansion of Product_{k>=0} (1 + 1/Lucas(5^k)).
(history; published version)
#6 by Michael De Vlieger at Sun Mar 31 08:43:45 EDT 2024
STATUS

reviewed

approved

#5 by Joerg Arndt at Sun Mar 31 06:15:02 EDT 2024
STATUS

proposed

reviewed

#4 by Amiram Eldar at Sun Mar 31 05:15:37 EDT 2024
STATUS

editing

proposed

#3 by Amiram Eldar at Sun Mar 31 05:12:05 EDT 2024
CROSSREFS

Similar constants: A337668A371525, A337669A371526, A371648.

#2 by Amiram Eldar at Sun Mar 31 05:06:50 EDT 2024
NAME

allocatedDecimal forexpansion Amiramof EldarProduct_{k>=0} (1 + 1/Lucas(5^k)).

DATA

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

OFFSET

1,1

COMMENTS

This constant is a transcendental number (Nyblom, 2004).

LINKS

M. A. Nyblom, <a href="https://www.fq.math.ca/Papers1/42-4/quartnyblom04_2004.pdf">On the Construction of a Family of Transcendental Valued Infinite Products</a>, Fibonacci Quarterly, Vol. 42, No. 4 (2004), pp. 353-358.

<a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.

FORMULA

Equals Product_{k>=0} (1 + 1/A144837(k)).

EXAMPLE

2.18183118733306202384236017055676106780243564695796...

MATHEMATICA

RealDigits[Product[1 + 1/LucasL[5^k], {k, 0, 10}], 10, 120][[1]]

PROG

(PARI) prodinf(k = 0, 1 + 1/(fibonacci(5^k-1) + fibonacci(5^k+1)))

CROSSREFS

Cf. A000032, A144837, A371649.

Similar constants: A337668, A337669, A371648.

KEYWORD

allocated

nonn,cons

AUTHOR

Amiram Eldar, Mar 31 2024

STATUS

approved

editing

#1 by Amiram Eldar at Sun Mar 31 04:57:36 EDT 2024
NAME

allocated for Amiram Eldar

KEYWORD

allocated

STATUS

approved

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Last modified August 29 16:10 EDT 2024. Contains 375517 sequences. (Running on oeis4.)