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.

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A068266 1/16 the number of colorings of an n X n square array with 16 colors.

Original entry on oeis.org

1, 3165, 1982119455, 245622604880564955, 6022672393066051875922651155, 29220829891835424567142114269163936868895, 28052931461360411640129365206060753190589761972840149815, 5329007775881376959796836954274567596610268811025721999774999394622215355
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, Apr 27 2012

A068267 1/17 the number of colorings of an n X n square array with 17 colors.

Original entry on oeis.org

1, 3856, 3373402576, 669566077899139456, 30151771791510037597255660816, 308053647651282803104693654675496996201056, 714058835879284684324470416584413995932326192121670240896, 375522326791659350740130359662485880296223549591107434149113597657567050816
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, Apr 27 2012

A068268 1/18 the number of colorings of an n X n square array with 18 colors.

Original entry on oeis.org

1, 4641, 5554571857, 1714419367669298289, 136461767759964622690609683537, 2801124263786734144622842493797034683405617, 14827953377838619886793709359009173477911476430325930106481, 20242190237452646688395985657256161903754274932459524235140863308223305109841
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, Apr 27 2012

A068269 1/19 the number of colorings of an n X n square array with 19 colors.

Original entry on oeis.org

1, 5526, 8882874018, 4153630571837864748, 564981170863476314096512687566, 22354853275061169487985050625489956484533056, 257300965334378745090532920060644632998190650709754736514068, 861475141050998806961235302195978945049151803599433480523424276423626596675468
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, Apr 27 2012

A068270 1/20 the number of colorings of an n X n square array with 20 colors.

Original entry on oeis.org

1, 6517, 13841287219, 9580458187250990407, 2161111220298293067819628379911, 158872597397775739573835110149847235229271675, 3806290340846629510463844992746098005507806101928649895595171, 29719114772241665792629546781476756531800106771541628945462624575440369135473679
Offset: 1

Views

Author

R. H. Hardin, Feb 24 2002

Keywords

Crossrefs

Extensions

a(5)-a(8) from Alois P. Heinz, Apr 27 2012

A068272 1/5 the number of colorings of an n X n rhombic hexagonal array with 5 colors.

Original entry on oeis.org

1, 36, 6588, 6169500, 29607951492, 728359861595076, 91850117930957987604, 59375832328440271451653884, 196759041550650648492160100067468, 3342365125469959463321258123750822068332, 291049545090789051667036543236086657649935910108
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(8)-a(9) from Alois P. Heinz, May 02 2012
a(10)-a(11) from Andrew Howroyd, Jun 25 2017

A068273 1/6 the number of colorings of an n X n rhombic hexagonal array with 6 colors.

Original entry on oeis.org

1, 80, 65600, 552093440, 47694893373440, 42294602754348892160, 384991688574716612134952960, 35972520655083241381477879725916160, 34501934082562716587411029908821592862883840, 339679276508747763623945195020701159657032777565470720
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(7)-a(9) from Alois P. Heinz, May 02 2012
a(10) from Andrew Howroyd, Jun 25 2017

A068274 1/7 the number of colorings of an n X n rhombic hexagonal array with 7 colors.

Original entry on oeis.org

1, 150, 390750, 17684490750, 13905324304629750, 189961153574587570713750, 45086187185888873181881847687750, 185916202268606023083570420269986443660750, 13319440571031747382017558973436842742801064314274750
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(7)-a(9) from Alois P. Heinz, May 02 2012

A068275 1/8 the number of colorings of an n X n rhombic hexagonal array with 8 colors.

Original entry on oeis.org

1, 252, 1679832, 296251234272, 1382247094854612672, 170624894466027144691360512, 557224605182442995086270684790287872, 48144796146667109603913695806315581931924703232, 110052419905312514544259421134157522506638480153437190868992
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 02 2012

A068276 1/9 the number of colorings of an n X n rhombic hexagonal array with 9 colors.

Original entry on oeis.org

1, 392, 5765144, 3181273031384, 65865666949993359176, 51166369594150205333793355592, 1491342760953091009621584639091222226600, 1630938910749494351643174313469316936138973479205208
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(8) from Alois P. Heinz, May 02 2012
Previous Showing 31-40 of 67 results. Next