cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Previous Showing 11-14 of 14 results.

A068289 1/10 the number of colorings of an n X n staggered hexagonal array with 10 colors.

Original entry on oeis.org

1, 576, 16777728, 24714188421120, 1841036276621803037184, 6935553434442856919411660285952, 1321303788659476737000614691012213371920896, 12729959462391097361772684882480600791246770039196989440, 6202319628516337592369784708824005819049596658116953675819712797024768
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Comments

Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.

Crossrefs

Extensions

a(6)-a(9) from Alois P. Heinz, May 03 2012

A068290 1/16 the number of colorings of an n X n staggered hexagonal array with 16 colors.

Original entry on oeis.org

1, 2940, 1475791800, 126483570405921120, 1850863560812354903891313720, 4624299555529247811516226596312142467360, 1972644284777133055191294794721562929045198175857072600, 143675548262637787606663854942059513336275448208739220399687693160870240
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Comments

Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, May 03 2012

A068291 1/17 the number of colorings of an n X n staggered hexagonal array with 17 colors.

Original entry on oeis.org

1, 3600, 2562894000, 360815358806334000, 10045362602062958738692122000, 55306025603886596990726445398427484458000, 60215114062840644498765447997163170597224027734057082000, 12964769707834768710147648104687020983960635308403660120749080257740506000
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Comments

Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, May 03 2012

A068292 1/18 times the number of colorings of an n X n staggered hexagonal array with 18 colors.

Original entry on oeis.org

1, 4352, 4294971392, 961201829493850112, 48781126844255370222607142912, 561399464545957024370182236743498291167232, 1465126373454769055363011684465705776628549543645731295232, 867083863998912174882104147806181674429733314821142479758142332970286825472
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Comments

Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, May 03 2012
Previous Showing 11-14 of 14 results.