A393004 Number of one-sided polyjogs with n cells.

1, 2, 6, 34, 167, 1006, 6095, 38740, 248882, 1626010, 10721484, 71325224, 477718720, 3218795537

Offset

1,2

Comments

A polyjog is a polyform composed of n connected unit squares adjoined along half-edges: every pair of adjacent cells shares an edge of length exactly 1/2.

In this sequence, figures that differ by a rotation are considered equivalent. Figures that differ by a reflection are considered distinct.

Links

Table of n, a(n) for n=1..14.

George Sicherman, Catalogue of Polyjogs

Crossrefs

Cf. A354308, A393005, A390621.

Sequence in context: A026976 A026951 A030233 * A362224 A233396 A003499

Adjacent sequences: A393001 A393002 A393003 * A393005 A393006 A393007

Keyword

nonn,hard,more

Author

John Mason, Jan 30 2026

Status

approved