login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032118 Shifts left 2 places under "BIJ" (reversible, indistinct, labeled) transform. 0
1, 1, 1, 2, 7, 39, 282, 2476, 25468, 300104, 3984742, 58857048, 957156654, 16992957454, 327018332848, 6780662275976, 150700528101856, 3573879622264536, 90079771978313256, 2404666535666287000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..20.

C. G. Bower, Transforms (2)

CROSSREFS

Sequence in context: A121752 A054133 A266310 * A125660 A112944 A060073

Adjacent sequences:  A032115 A032116 A032117 * A032119 A032120 A032121

KEYWORD

nonn,eigen

AUTHOR

Christian G. Bower

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified February 21 21:41 EST 2018. Contains 299427 sequences. (Running on oeis4.)