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A246657
a(n) = round(3F2([1, 3/2, 1 - n], [2, 2], -4)).
1
0, 1, 3, 7, 24, 87, 332, 1320, 5407, 22672, 96844, 419910, 1843386, 8176962, 36594388, 165026353, 749170529, 3420949803, 15702232962, 72407225094, 335276107549, 1558289108596, 7267201176311, 33996105203757, 159484982985619, 750134031377432
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OFFSET
0,3
COMMENTS
Without rounding, the sequence were 1, 5/2, 22/3, 97/4, 436/5, 997/3, 9241/7, 43257/8,... for n>=1. -
R. J. Mathar
, Jul 27 2022
LINKS
Table of n, a(n) for n=0..25.
FORMULA
a(n) =
A129164
(n)/n for n>=1.
PROG
(SageMath)
A246657
= lambda n: hypergeometric([1, 3/2, 1-n], [2, 2], -4)
[round(
A246657
(n).n(100)) for n in (0..25)]
CROSSREFS
Cf.
A129164
.
Sequence in context:
A228992
A383984
A383983
*
A038169
A176606
A385268
Adjacent sequences:
A246654
A246655
A246656
*
A246658
A246659
A246660
KEYWORD
nonn
AUTHOR
Peter Luschny
, Sep 16 2014
STATUS
approved