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A032056
Shifts left under "BGJ" (reversible, element, labeled) transform.
0
1, 1, 1, 4, 8, 38, 326, 2160, 14092, 119776, 1726772, 17087084, 202819128, 2671905592, 43460010864, 653865234996, 10669423514948, 193608386667944, 3712432320889004, 73424512657548576
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..20.
CROSSREFS
Sequence in context: A032138 A032151 A032042 * A214535 A321717 A228755
Adjacent sequences: A032053 A032054 A032055 * A032057 A032058 A032059
KEYWORD
nonn,eigen
AUTHOR
Christian G. Bower
STATUS
approved

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Last modified November 17 00:01 EST 2024. Contains 377807 sequences.
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