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A369930
Number of achiral noncrossing partitions composed of n blocks of size 4.
2
1, 1, 1, 3, 5, 16, 31, 102, 213, 712, 1556, 5255, 11843, 40288, 92842, 317548, 744277, 2556376, 6072124, 20926236, 50244660, 173634752, 420634039, 1456967358, 3556069395, 12341344216, 30314970076, 105384541314, 260295610706, 906188676224, 2249045501636
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
Andrew Howroyd, Table of n, a(n) for n = 0..1000
CROSSREFS
Column 4 of A369929.
Sequence in context: A019096 A370604 A295358 * A077551 A106588 A123785
Adjacent sequences: A369927 A369928 A369929 * A369931 A369932 A369933
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Feb 08 2024
STATUS
approved

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Last modified October 21 09:02 EDT 2024. Contains 376980 sequences.
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