A229721 Number of arrays of length 5 that are sums of n consecutive elements of length 5+n-1 permutations of 0..5+n-2, and no two consecutive rises or falls in the latter permutation.

32, 86, 500, 1152, 9136, 44372, 157194, 326476, 788998

Offset

1,1

Comments

Row 5 of A229717.

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=4:
  15 17 19 17 18 10 12 10  7 18 12 15 18 12 15 10
  16 12 15 15 17 13 11 13 13 16  9 12 16 16 12 12
  13  8 10 13 18 17 14 16 18 14 11 11 15 15 10 11
  12 10  8 10 16 20 15 17 20 13 13 10 14 17  9 15
  13 11  9 11 10 18 16 18 21 10 16 13 10 16 13 18

Crossrefs

Sequence in context: A044551 A256810 A256803 * A184029 A184021 A317762

Adjacent sequences: A229718 A229719 A229720 * A229722 A229723 A229724

Keyword

nonn

Author

R. H. Hardin, Sep 27 2013

Status

approved