A286111 Number of distinct printable hexaflexagons of length n.

1, 1, 1, 3, 2, 5, 6, 10, 11, 21, 29, 58, 78, 144, 224, 421, 648, 1185, 1990, 3668, 6095, 11079, 19098, 34891

Offset

3,4

Links

Table of n, a(n) for n=3..26.

Marshall Hampton, Constructing and Counting Hexaflexagons, arXiv:1704.07775 [math.CO], 2017.

Crossrefs

Cf. A007282, A286110.

Sequence in context: A255556 A331462 A308410 * A338209 A240574 A050061

Adjacent sequences: A286108 A286109 A286110 * A286112 A286113 A286114

Keyword

nonn,more

Author

Michel Marcus, May 02 2017

Status

approved