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A121284 Triangle T(n,k), 1<=k<=n, read by rows given by T(n,k) = A003266(n)/A000045(k). 0
1, 1, 1, 2, 2, 1, 6, 6, 3, 2, 30, 30, 15, 10, 6, 240, 240, 120, 80, 48, 30, 3120, 3120, 1560, 1040, 624, 390, 240, 65520, 65520, 32760, 21840, 13104, 8190, 5040, 3120, 2227680, 2227680, 1113840, 742560, 445536, 278460, 171360, 106080, 65520 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Sequence in context: A094587 A135878 A329154 * A225112 A108076 A104557

Adjacent sequences:  A121281 A121282 A121283 * A121285 A121286 A121287

KEYWORD

nonn,tabl

AUTHOR

Philippe Deléham, Aug 24 2006

STATUS

approved

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Last modified January 20 04:53 EST 2021. Contains 340301 sequences. (Running on oeis4.)