Number of patterns enumerated in Phase 2 of an algorithm to enumerate flat-foldable single-vertex crease patterns with unit angle 180/n degrees.

A293031

Number of patterns enumerated in Phase 2 of an algorithm to enumerate flat-foldable single-vertex crease patterns with unit angle 180/n degrees.

Terms

    a(0) =1a(1) =2a(2) =7a(3) =27a(4) =143a(5) =837a(6) =5529a(7) =38305a(8) =276441a(9) =2042990a(10) =15396071a(11) =117761000a(12) =912100793a(13) =7139581543a(14) =56400579759a(15) =449129924559

External references