The OEIS mourns the passing of
Jim Simons
and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The OnLine Encyclopedia of Integer Sequences
!)
A262547
Nearest integer to 2^(2^n)/(4*n!).
1
1, 2, 11, 683, 8947849, 6405119470038039, 16879085660760836481318184892448820, 717956902513121251386228825698709746114025202539934052824017757985572480
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
Jon E. Schoenfield,
Table of n, a(n) for n = 1..11
R. F. Wheeler,
An asymptotic formula for the number of complete propositional connectives
, Z. Math. Logik Grundlagen Math. 8 (1962), 14. [Annotated scanned copy]
CROSSREFS
An approximation to
A002857
.
Sequence in context:
A120934
A000886
A128855
*
A206846
A092730
A157841
Adjacent sequences:
A262544
A262545
A262546
*
A262548
A262549
A262550
KEYWORD
nonn
AUTHOR
N. J. A. Sloane
, Oct 06 2015
STATUS
approved
Lookup

Welcome

Wiki

Register

Music

Plot 2

Demos

Index

Browse

More

WebCam
Contribute new seq. or comment

Format

Style Sheet

Transforms

Superseeker

Recents
The OEIS Community
 Maintained by
The OEIS Foundation Inc.
License Agreements, Terms of Use, Privacy Policy.
.
Last modified June 15 11:51 EDT 2024. Contains 373407 sequences. (Running on oeis4.)