1 internet doctest failing in combinat/tutorial.py

[seblabbe]

The command

sage -t --optional=sage,internet src/sage/combinat/tutorial.py

gives

sage -t src/sage/combinat/tutorial.py
**********************************************************************
File "src/sage/combinat/tutorial.py", line 224, in sage.combinat.tutorial
Failed example:
    oeis([1,1,2,5,14])                            # optional -- internet
Expected:
    0: A000108: Catalan numbers: C(n) = binomial(2n,n)/(n+1) = (2n)!/(n!(n+1)!). Also called Segner numbers.
    1: A120588: G.f. satisfies: 3*A(x) = 2 + x + A(x)^2, with a(0) = 1.
    2: ...
Got:
    0: A000108: Catalan numbers: C(n) = binomial(2n,n)/(n+1) = (2n)!/(n!(n+1)!). Also called Segner numbers.
    1: A124302: Number of set partitions with at most 3 blocks; number of Dyck paths of height at most 4; dimension of space of symmetric polynomials in 3 noncommuting variables.
    2: A120588: G.f. satisfies: 3*A(x) = 2 + x + A(x)^2, with a(0) = 1.
**********************************************************************
1 item had failures:
   1 of 246 in sage.combinat.tutorial
    [245 tests, 1 failure, 7.66 s]
----------------------------------------------------------------------
sage -t src/sage/combinat/tutorial.py  # 1 doctest failed
----------------------------------------------------------------------

CC: @vinklein

Component: combinatorics

Keywords: thursdaysbdx

Author: Sébastien Labbé

Branch/Commit: f8ad4d1

Reviewer: Frédéric Chapoton

Issue created by migration from https://trac.sagemath.org/ticket/26921

[seblabbe]

Branch: u/slabbe/26921

[seblabbe]

New commits:

f8ad4d1

26921: fixing 1 failing internet doctest

[seblabbe]

Author: Sébastien Labbé

[seblabbe]

Commit: f8ad4d1

[seblabbe]

Changed keywords from none to thursdaysbdx

[fchapoton]

Reviewer: Frédéric Chapoton

[fchapoton]

comment:4

ok

[vbraun]

Changed branch from u/slabbe/26921 to f8ad4d1