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A151539 Number of 1-sided triangular polyedges with n cells. 3
1, 3, 19, 104, 719, 5123, 37936, 286606, 2202201, 17119423 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

Ed Pegg, Jr., Illustrations of polyforms

Eric Weisstein's World of Mathematics, Polyedge

CROSSREFS

Cf. A151540, A151541, A159867.

Sequence in context: A198763 A047029 A095120 * A089164 A072950 A240123

Adjacent sequences:  A151536 A151537 A151538 * A151540 A151541 A151542

KEYWORD

nonn,hard,more

AUTHOR

Ed Pegg Jr, May 13 2009

EXTENSIONS

a(9) and a(10) from Joseph Myers, Oct 05 2011

STATUS

approved

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Last modified May 27 10:03 EDT 2017. Contains 287204 sequences.