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A100584
a(n) =
A000676
(n) -
A000677
(n).
1
1, 1, -1, 1, 0, 1, 0, 3, 1, 7, 4, 19, 17, 63, 77, 217, 326, 815, 1435, 3533, 7227, 17709, 39704, 97010, 228123, 561216, 1366962, 3423504, 8601350, 22000341, 56612480, 147248370, 384885631
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OFFSET
0,8
LINKS
Jean-François Alcover,
Table of n, a(n) for n = 0..100
FORMULA
a(n) =
A000055
(n) - 2*
A000677
(n). -
Jean-François Alcover
, Aug 23 2022
CROSSREFS
Cf.
A000055
,
A000676
,
A000677
.
Sequence in context:
A341494
A210198
A271258
*
A185877
A135858
A193845
Adjacent sequences:
A100581
A100582
A100583
*
A100585
A100586
A100587
KEYWORD
sign
AUTHOR
N. J. A. Sloane
, Dec 01 2004
STATUS
approved
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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)