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A229714 Number of arrays of length n that are sums of 4 consecutive elements of length n+3 permutations of 0..n+2, and no two consecutive rises or falls in the latter permutation. 0
1, 18, 76, 436, 1152, 13520, 85480, 676984, 4504872, 43298784 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A229717.

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4:

   8 12 14 12 12 14 12 11 13 13 15 13 15 16 18 10

   9 10 11 13 11 13 10 10 16  9 14 14 11 11 13 11

  12 12 10 12 13 14  9  9 14  7 15 16 10  8  9 12

  17 14 11 13 10 10 12 12 13 10 12 13  9  9  7 15

CROSSREFS

Sequence in context: A262402 A296363 A164603 * A100187 A197886 A039453

Adjacent sequences:  A229711 A229712 A229713 * A229715 A229716 A229717

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Sep 27 2013

STATUS

approved

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Last modified July 25 14:43 EDT 2021. Contains 346290 sequences. (Running on oeis4.)