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A101460
Number of connected antisymmetric relations on n unlabeled nodes.
2
1, 2, 4, 32, 467, 15726, 1283648, 266995482, 145658273814, 212067643326874, 834200554714504905, 8952922576975709358534, 264287923205519914989471726, 21606715274151098406493353524694, 4921011141817073607674347572008576367
OFFSET
0,2
LINKS
FORMULA
Inverse Euler transform of A083670. - Andrew Howroyd, Oct 24 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladeta Jovovic, Jan 20 2005
STATUS
approved