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A229562 Number of arrays of length n that are sums of 4 consecutive elements of length n+3 permutations of 0..n+2. 0
1, 20, 264, 2904, 9968, 257136, 3160800, 37000368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A229565.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3:

  10 12  7  9 11 10  6  9  8  8 11 10 10 12  7  9

  14  9 12 10  7 14  7 12 12 11 14  8  9  9  8  8

  13 10 13 11 10 11 11 10 11 10 13  6  7 11 11  7

CROSSREFS

Cf. A229565.

Sequence in context: A025961 A208948 A278408 * A021854 A025939 A278773

Adjacent sequences:  A229559 A229560 A229561 * A229563 A229564 A229565

KEYWORD

nonn

AUTHOR

R. H. Hardin, Sep 26 2013

STATUS

approved

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Last modified November 28 01:24 EST 2021. Contains 349396 sequences. (Running on oeis4.)