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A262547
Nearest integer to 2^(2^n)/(4*n!).
1
1, 2, 11, 683, 8947849, 6405119470038039, 16879085660760836481318184892448820, 717956902513121251386228825698709746114025202539934052824017757985572480
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), 1-4. [Annotated scanned copy]
CROSSREFS
An approximation to A002857.
Sequence in context: A120934 A000886 A128855 * A206846 A092730 A157841
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 06 2015
STATUS
approved