A370967 a(n) = number of max-closed n X n X n relations.

2, 122, 468732, 114446643198

Offset

1,1

Links

Table of n, a(n) for n=1..4.

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

Adjacent sequences: A370964 A370965 A370966 * A370968 A370969 A370970

Keyword

nonn,more,bref

Author

N. J. A. Sloane, Apr 04 2024

Status

approved