The On-Line Encyclopedia of Integer Sequences (OEIS)

A063722 revision #1

A063722

Number of edges in the Platonic solids (in the order tetrahedron, cube, octahedron, dodecahedron, icosohedron).

6, 12, 12, 30, 30

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

FORMULA

a(n) = A053016(n)+A063723(n)-2.

EXAMPLE

a(1) = 12 since a cube has twelve edges.

CROSSREFS

KEYWORD

easy,fini,full,nonn,new

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Aug 14 2001

STATUS

approved