A244722 Number of compositions of n with exactly 10 transitions between different parts.

1, 12, 106, 677, 3494, 15072, 56687, 189836, 578105, 1621690, 4241828, 10434473, 24323694, 54053172, 115100757, 235866109, 466850629, 895363599, 1668452274, 3028132617, 5364010992, 9291348726, 15763537852, 26234025046, 42882816586, 68933785785, 109087903602

Offset

16,2

Links

Alois P. Heinz, Table of n, a(n) for n = 16..900

Maple

b:= proc(n, v) option remember; `if`(n=0, [1, 0$10],
      add(`if`(v in [0, i], b(n-i, `if`(i<=n-i, i, -1)),
      [0, b(n-i, `if`(i<=n-i, i, -1))[1..10][]]), i=1..n))
    end:
a:= n-> b(n, 0)[11]:
seq(a(n), n=16..60);

Crossrefs

Column k=10 of A238279.

Sequence in context: A016223 A027142 A090816 * A144133 A089396 A218111

Adjacent sequences: A244719 A244720 A244721 * A244723 A244724 A244725

Keyword

nonn

Author

Joerg Arndt and Alois P. Heinz, Jul 04 2014

Status

approved