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A141540 Duplicate of A132046. 1
1, 1, 1, 1, 4, 1, 1, 6, 6, 1, 1, 8, 12, 8, 1, 1, 10, 20, 20, 10, 1, 1, 12, 30, 40, 30, 12, 1, 1, 14, 42, 70, 70, 42, 14, 1, 1, 16, 56, 112, 140, 112, 56, 16, 1, 1, 18, 72, 168, 252, 252, 168, 72, 18, 1, 1, 20, 90, 240, 420, 504, 420, 240, 90, 20, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Sequence in context: A049702 A159040 A132046 * A143188 A102413 A144480

Adjacent sequences:  A141537 A141538 A141539 * A141541 A141542 A141543

KEYWORD

dead

AUTHOR

Roger L. Bagula and Gary W. Adamson, Aug 15 2008

STATUS

approved

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Last modified April 1 10:33 EDT 2020. Contains 333159 sequences. (Running on oeis4.)