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!)
A291715 a(n) = 420*(preferred ratios of room width / height in Alberti's Ten Books on Architecture). 2

%I

%S 210,252,280,315,336,350,360,420

%N a(n) = 420*(preferred ratios of room width / height in Alberti's Ten Books on Architecture).

%H Radislav Zuk, <a href="https://doi.org/10.1007/978-3-319-00137-1_38">From Renaissance Musical Proportions to Polytonality in Twentieth Century Architecture</a>, Chapter 38 in Volume 1 of K. Williams and M. J. Ostwald (eds.), Architecture and Mathematics from Antiquity to the Future, DOI 10.1007/978-3-319-00137-1_38, Springer International Publishing Switzerland 2015

%e a(5)=336 is in the sequence, because the height / width ratio of 420 / 336 corresponds to the preferred ratio of H:W = 5:4 provided in the table given in A291713.

%Y Cf. A291713, A291714, A291719.

%K nonn,fini,full

%O 1,1

%A _Hugo Pfoertner_, Sep 01 2017

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 24 02:56 EDT 2021. Contains 345415 sequences. (Running on oeis4.)