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 11-17 of 17 results.

A069334 Number of 12 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 23660, 197404203, 1131456031256, 5423397612311731, 23483738804219826986, 95261720343073832781620, 369211160728496631061072520, 1383615906056315517856514817504, 5053163560738707006885020833252029, 18085468170671030045687927149819479504
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(11) from Sean A. Irvine, Apr 27 2024

A069335 Number of 13 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 57121, 1043751584, 12643706576681, 126017939209370356, 1125283073890577118094, 9370213923827917022436855, 74336348859792978822695533158, 569069897400777230243560762294416, 4238919196076677072267006057045464865, 30902027517838776937964167308887338619805
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(11) from Sean A. Irvine, Apr 28 2024

A069336 Number of 14 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 137903, 5518106750, 141214773950750, 2924071505958808678, 53779936199829106443992, 917968752799614564923238137, 14884525123004189113290707573130, 232434987260581625545547524846144926, 3526571954425676876273500130967936161612
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(10) from Sean A. Irvine, Apr 28 2024

A069338 Number of 16 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 803760, 154210451661, 17600838146781308, 1570519781573431498844, 122232489371711586485777202, 8739064773952359132428279911493, 589905313005549358086281643079339087, 38197422697847171708880659463529085375174, 2396319077130644606331163832632227674356884219
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(10) from Sean A. Irvine, Apr 28 2024

A069339 Number of 17 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 1940449, 815197197636, 196457931325141165, 36372152593010317662845, 5818327780447717536274778137, 850379363772262706448823961065710, 116965045557462347093874185317348234955, 15400621481550701604975389442540432375789212
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(9) from Sean A. Irvine, Apr 28 2024

A069340 Number of 18 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 4684659, 4309313949364, 2192685751594010696, 842135117177233838318221, 276779468917310425392340761357, 82650556110091137942716277468309260, 23148397411303556672474237800571851799252, 6193097960464507527053208548973296715713058621
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(10) from Sean A. Irvine, Apr 28 2024

A069341 Number of 19 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 11309768, 22779900825195, 24471786016855404727, 19494870504116920632360116, 13160595194449992172457391361101, 8025991217666841006376543207614110979, 4574735745210954097724726033484092793843149, 2485328828679106654042733426185318122603041421600
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(5)-a(9) from Sean A. Irvine, Apr 28 2024
Previous Showing 11-17 of 17 results.

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