login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A297386 Number of Eulerian cycles in the (2n+1)-sun graph. 0
16, 300736, 42276127315968, 146154324190290999534157824 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Eulerian Cycle

Eric Weisstein's World of Mathematics, Sun Graph

CROSSREFS

Sequence in context: A298202 A333863 A300197 * A051675 A288951 A175988

Adjacent sequences:  A297383 A297384 A297385 * A297387 A297388 A297389

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Dec 29 2017

EXTENSIONS

a(3) from Andrew Howroyd, Jan 11 2018

a(4) from Andrew Howroyd, May 22 2020

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 5 18:48 EDT 2020. Contains 334854 sequences. (Running on oeis4.)