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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A133303 12 vertex analog of tesseract as connected octahedrons graph substitution( to produce 12 note sequences). 0
2, 3, 4, 5, 7, 1, 3, 4, 6, 11, 1, 2, 4, 6, 9, 2, 3, 4, 5, 12, 7, 9, 11, 12, 2, 2, 3, 4, 5, 7, 1, 3, 4, 6, 11, 1, 3, 5, 6, 8, 2, 3, 4, 5, 12, 7, 8, 10, 12, 3, 2, 3, 4, 5, 7, 1, 3, 4, 6, 11, 1, 2, 4, 6, 9, 2, 3, 4, 5, 12, 7, 9, 11, 12, 4, 2, 3, 4, 5, 7, 1, 3, 5, 6, 10, 1, 3, 5, 6, 8, 2, 3, 4, 5, 12, 7, 8, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This graph is like a tesseract with two connected octahedrons: the idea was to get two figure with related symmetry that is 4d like and see if the sound different. They do sound different.

LINKS

Table of n, a(n) for n=1..98.

FORMULA

1->{2, 3, 4, 5, 7}; 2-> {1, 3, 5, 6, 10}; 3-> {1, 3, 4, 6, 11}; 4-> {1, 3, 5, 6, 8}; 5->{1, 2, 4, 6, 9}; 6-> {2, 3, 4, 5, 12}; 7-> {9, 8,10, 11, 1}; 8-> {7, 9, 11, 12, 4}; 9-> {7, 8, 10, 12, 5}; 10->{7, 9, 11, 12, 2}; 11-> {7, 8, 10, 12, 3}; 12-> {9, 8, 10, 11, 6};

MATHEMATICA

Clear[s, p] s[1] = {2, 4, 5, 9}; s[2] = {1, 3, 6, 10}; s[3] = {2, 4, 7, 10}; s[4] = {1, 3, 8, 12}; s[5] = {1, 6, 8, 9}; s[6] = {2, 5, 7, 10}; s[7] = {3, 6, 8, 11}; s[8] = {4, 5, 7, 12}; s[9] = {1, 5, 10, 12}; s[10] = {2, 6, 9, 11}; s[11] = {3, 7, 10, 12}; s[12] = {4, 8, 9, 11}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]]; p[4]

CROSSREFS

Sequence in context: A164699 A228050 A067570 * A152302 A071180 A031225

Adjacent sequences:  A133300 A133301 A133302 * A133304 A133305 A133306

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula, Oct 17 2007

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified December 21 11:25 EST 2014. Contains 252310 sequences.