A229722 Number of arrays of length 6 that are sums of n consecutive elements of length 6+n-1 permutations of 0..6+n-2, and no two consecutive rises or falls in the latter permutation.

122, 544, 2740, 13520, 35724, 392496, 1924422, 5979128

Offset

1,1

Comments

Row 6 of A229717.

Links

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

Example

Some solutions for n=4:
  11  18  14  15  15  17  11  16  13  17  10  19  14  19  22  14
   8  17  11  14  16  15  16  17  12  15  12  20  16  17  21  19
  10  14  14  16  18  17  20  16  16  10  16  19  15  16  16  22
  15  17  18  15  16  16  18  17  15  11  20  16  13  18  12  23
  21  15  16  17  13  18  21  20  17  13  18  13  14  16  10  21
  25  12  17  19  14  19  18  16  23  17  20  10  16  11  14  17

Crossrefs

Sequence in context: A275270 A031700 A173267 * A092775 A238033 A275181

Adjacent sequences: A229719 A229720 A229721 * A229723 A229724 A229725

Keyword

nonn,more

Author

R. H. Hardin, Sep 27 2013

Status

approved