login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A243236 Number of isoscent sequences of length n with exactly ten ascents. 2
1854, 663390, 72572427, 4229760773, 164869021176, 4846616066912, 115525788526251, 2341346575945183, 41696673590069251, 668272802442309946, 9812868808904564866, 133849038379000364897, 1714455118957116764366, 20802230173239523620513, 240794713489411990019752 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 5 05:09 EDT 2022. Contains 357251 sequences. (Running on oeis4.)