A243236 Number of isoscent sequences of length n with exactly ten ascents.

1854, 663390, 72572427, 4229760773, 164869021176, 4846616066912, 115525788526251, 2341346575945183, 41696673590069251, 668272802442309946, 9812868808904564866, 133849038379000364897, 1714455118957116764366, 20802230173239523620513, 240794713489411990019752

Offset

16,1

Links

Joerg Arndt and Alois P. Heinz, Table of n, a(n) for n = 16..100

Maple

b:= proc(n, i, t) option remember; `if`(n<1, 1, expand(add(
      `if`(j>i, x, 1) *b(n-1, j, t+`if`(j=i, 1, 0)), j=0..t+1)))
    end:
a:= n-> coeff(b(n-1, 0$2), x, 10):
seq(a(n), n=16..35);

Crossrefs

Column k=10 of A242351.

Sequence in context: A303272 A128289 A023044 * A051355 A064978 A202913

Adjacent sequences: A243233 A243234 A243235 * A243237 A243238 A243239

Keyword

nonn

Author

Joerg Arndt and Alois P. Heinz, Jun 01 2014

Status

approved