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!)
A001627 Related to Latin rectangles.
(Formerly M2165 N0862)
2

%I M2165 N0862 #18 Feb 01 2022 23:36:59

%S 1,0,2,44,1008,34432,1629280,101401344,8030787968,788377273856,

%T 93933191303424,13350759115563520,2231133728986759168,

%U 433075048506207645696,96617322164029448916992,24549315871469898190266368,7047652261245574026565877760

%N Related to Latin rectangles.

%D S. M. Kerawala, The enumeration of the Latin rectangle of depth three by means of a difference equation, Bull. Calcutta Math. Soc., 33 (1941), 119-127.

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H <a href="/index/La#Latin">Index entries for sequences related to Latin squares and rectangles</a>

%F a(1) = 1, a(n) = A000186(n) + A000186(n-1) + 3*(n-1)*A001626(n-1). - _Sean A. Irvine_, Sep 25 2015

%K nonn

%O 1,3

%A _N. J. A. Sloane_

%E More terms from _Sean A. Irvine_, Sep 25 2015

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 March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)