A048609 - OEIS

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A048609

Duplicate of A048603.

0

1, 12, 160, 40320, 71680, 1277337600, 79705866240, 167382319104000

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..7.

S. Dulucq, Etude combinatoire de problèmes d'énumération, d'algorithmique sur les arbres et de codage par des mots, a thesis presented to l'Université de Bordeaux I, 1987. (Annotated scanned copy)

CROSSREFS

Sequence in context: A019578 A144346 A167558 * A048603 A275040 A109391

Adjacent sequences: A048606 A048607 A048608 * A048610 A048611 A048612

KEYWORD

dead

STATUS

approved