1,1

See reference for precise definition.

K. Casteels and B. Stevens, Universal cycles of (n-1)-partitions of an n-set, Discr. Math., 309 (2009), 5332-5340.

a(n) = A152029(n) + A152068(n).

Cf. A152029, A152068.

Sequence in context: A047657 A152542 A152029 this_sequence A156495 A009233 A012462

Adjacent sequences: A152066 A152067 A152068 this_sequence A152070 A152071 A152072

nonn

N. J. A. Sloane (njas(AT)research.att.com), Sep 15 2009