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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A119171 Numbers k such that the k-th triangular number contains only digits {2,5,9}.

Original entry on oeis.org

10, 34, 109, 714, 765, 774, 227825, 14092049, 334531090, 33345441365, 1360847497350, 102951958915365, 3462935043926049509, 4455459562273973825
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Links

Crossrefs

Cf. A000217, A119170. See A119034 for a table of cross-references.

Extensions

a(13)-a(14) from Tyler Busby, Mar 31 2023

A119173 Numbers k such that the k-th triangular number contains only digits {2,6,7}.

Original entry on oeis.org

3, 11, 23, 36, 123, 3651, 394123, 2307651, 74534188, 394392348, 3639430251, 1159885996348
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Comments

Next term exceeds 4.4*10^18.

Links

Crossrefs

Cf. A000217, A119172. See A119034 for a table of cross-references.

Extensions

Lower bound for further terms updated by Max Alekseyev, May 07 2009

A119175 Numbers k such that the k-th triangular number contains only digits {2,6,8}.

Original entry on oeis.org

3, 7, 11, 36, 72, 676, 1287, 2108, 11512, 21112, 23927, 35447, 37112, 41527, 67323, 35289847, 41633847, 11684368072, 24026103588, 364110500487, 7566093164465563
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Comments

Next term exceeds 1.4*10^16.

Links

Crossrefs

Cf. A000217, A119174. See A119034 for a table of cross-references.

A119177 Numbers k such that the k-th triangular number contains only digits {2,6,9}.

Original entry on oeis.org

3, 11, 36, 76, 7741188, 21305723, 4471447856, 24343059348, 6673334543723, 23094123478785548
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Links

Crossrefs

Cf. A000217, A119176. See A119034 for a table of cross-references.

Extensions

a(10) from Tyler Busby, Mar 31 2023

A119179 Numbers k such that the k-th triangular number contains only digits {2,7,8}.

Original entry on oeis.org

7, 12, 67, 132, 667, 1287, 1332, 4067, 6667, 13287, 13332, 66667, 75932, 133287, 133332, 666667, 1333287, 1333332, 6666667, 13333287, 13333332, 21395692, 23335692, 23335932, 66666667, 124280507, 124721912, 133333287, 133333332
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Links

Crossrefs

Cf. A000217, A119178. See A119034 for a table of cross-references.

A119181 Numbers k such that the k-th triangular number contains only digits {2,8,9}.

Original entry on oeis.org

7, 1287, 4312, 14087, 75934087, 421883687, 773669476312
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Comments

Next term exceeds 1.4*10^16.

Links

Crossrefs

Cf. A000217, A119180. See A119034 for a table of cross-references.

A119183 Numbers k such that the k-th triangular number contains only digits {3,4,5}.

Original entry on oeis.org

2, 9, 10, 29, 262, 954, 2590, 2662, 9534, 25862, 26662, 82865, 95334, 104262, 266662, 298514, 2666662, 10338610, 26666662, 30151462, 103493337, 266290989, 266666662, 1043584537, 2666666662, 3302531009, 10531233862, 26288192537
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Links

Crossrefs

Cf. A000217, A119182. See A119034 for a table of cross-references.

A119185 Numbers k such that the k-th triangular number contains only digits {3,4,6}.

Original entry on oeis.org

2, 3, 8, 11, 36, 816, 85611, 364243, 81775868, 817858956, 832639591, 85374871556, 94304439591, 1152678139331, 29551086049868, 112573208752763, 855959656346411, 966058450039783, 1151819988918983
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Comments

Next term exceeds 1.4*10^16.

Links

Crossrefs

Cf. A000217, A119184. See A119034 for a table of cross-references.

A119187 Numbers k such that the k-th triangular number contains only digits {3,5,6}.

Original entry on oeis.org

2, 3, 8, 10, 11, 36, 85, 103, 105, 114, 816, 2696, 3363, 8430, 10617, 10645, 11257, 36211, 327210, 333657, 1032989, 1054071, 3647836, 33336636, 265918617, 36148757471, 259095941942, 326605681382, 1063536896742, 3333666251008
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Links

Crossrefs

Cf. A000217, A119186. See A119034 for a table of cross-references.

A119189 Numbers k such that the k-th triangular number contains only digits {3,5,7}.

Original entry on oeis.org

2, 10, 3386897, 10367022, 25898098514, 33868444120607410, 3835970218282143377
Offset: 1

Views

Author

Giovanni Resta, May 10 2006

Keywords

Links

Crossrefs

Cf. A000217, A119188. See A119034 for a table of cross-references.

Extensions

a(6)-a(7) from Tyler Busby, Mar 31 2023
Previous Showing 71-80 of 109 results. Next

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