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!)
A038318 Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*4^j. 0

%I #5 Mar 30 2012 16:47:46

%S 1,11,4,121,88,16,1331,1452,528,64,14641,21296,11616,2816,256,161051,

%T 292820,212960,77440,14080,1024,1771561,3865224,3513840,1703680,

%U 464640,67584,4096,19487171,49603708,54113136,32795840,11925760

%N Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*4^j.

%D B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.

%K nonn,tabl,easy

%O 0,2

%A _N. J. A. Sloane_.

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 April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)