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!)
A038283 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*5^j. 0

%I #7 Apr 28 2018 09:59:15

%S 1,8,5,64,80,25,512,960,600,125,4096,10240,9600,4000,625,32768,102400,

%T 128000,80000,25000,3125,262144,983040,1536000,1280000,600000,150000,

%U 15625,2097152,9175040,17203200,17920000,11200000,4200000

%N Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*5^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.

%t Table[Binomial[i,j]8^(i-j) 5^j,{i,0,10},{j,0,i}]//Flatten (* _Harvey P. Dale_, Apr 28 2018 *)

%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 07:35 EDT 2024. Contains 371922 sequences. (Running on oeis4.)