Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A048135
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A048135 Tomahawk-constructible n-gons. +0
4
3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 26, 27, 28, 30, 32, 34, 35, 36, 37, 38, 39, 40, 42, 45, 48, 51, 52, 54, 56, 57, 60, 63, 64, 65, 68, 70, 72, 73, 74, 76, 78, 80, 81, 84, 85, 90, 91, 95, 96, 97, 102, 104, 105, 108, 109, 111, 112 (list; graph; listen)
OFFSET

1,1

REFERENCES

Andrew M. Gleason, Angle Trisection, the Heptagon and the Triskaidecagon. American Mathematical Monthly 95 (1988) 185 - 194.

FORMULA

a(n) = A122254(n+2); A122255(a(n)) = 1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 29 2006

CROSSREFS

Cf. A005109, A048136.

Sequence in context: A072809 A114904 A039220 this_sequence A026500 A091213 A039238

Adjacent sequences: A048132 A048133 A048134 this_sequence A048136 A048137 A048138

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


AT&T Labs Research