The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A331156 Number of (weakly) connected gluing-parallel or GP-posets with n points. 4
1, 1, 1, 3, 10, 44, 233 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
Table of n, a(n) for n=0..6.
Uli Fahrenberg, Christian Johansen, Georg Struth, Ratan Bahadur Thapa, Generating Posets Beyond N, arXiv:1910.06162 [cs.FL], 2019.
CROSSREFS
The seven sequences in the table of Uli Fahrenberg et al., 2019, are A000112, A003430, A079566, A331156, A331157, A331158, A331159.
Sequence in context: A335635 A096804 A113059 * A240172 A167995 A000608
Adjacent sequences: A331153 A331154 A331155 * A331157 A331158 A331159
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jan 16 2020, following a suggestion from Michael De Vlieger.
EXTENSIONS
Typo in a(6) corrected by Uli Fahrenberg, Feb 03 2024
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 May 12 23:40 EDT 2024. Contains 372497 sequences. (Running on oeis4.)