login
A370967
a(n) = number of max-closed n X n X n relations.
1
1, 2, 122, 468732, 114446643198
OFFSET
0,2
LINKS
Don Knuth, Parades and poly-Bernoulli bijections, Mar 31 2024. See (19.14) and (19.16).
CROSSREFS
Cf. A370966.
Sequence in context: A325889 A013475 A013471 * A249497 A249498 A249499
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 04 2024
EXTENSIONS
a(0)=1 prepended by Filip Stappers, Aug 20 2024
STATUS
approved