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A048136 Tomahawk-nonconstructible n-gons. 6
11, 22, 23, 25, 29, 31, 33, 41, 43, 44, 46, 47, 49, 50, 53, 55, 58, 59, 61, 62, 66, 67, 69, 71, 75, 77, 79, 82, 83, 86, 87, 88, 89, 92, 93, 94, 98, 99, 100, 101, 103, 106, 107, 110, 113, 115, 116, 118, 121, 122, 123, 124, 125, 127, 129, 131, 132, 134 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

LINKS

Table of n, a(n) for n=1..58.

FORMULA

A122255(a(n)) = 0: complement of A122254. - Reinhard Zumkeller, Aug 29 2006

CROSSREFS

Cf. A005109, A048136.

Sequence in context: A231115 A040110 A140452 * A180054 A166713 A095779

Adjacent sequences:  A048133 A048134 A048135 * A048137 A048138 A048139

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified June 23 15:27 EDT 2017. Contains 288666 sequences.