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.

Showing 1-10 of 28 results. Next

A046602 First denominator and then numerator of each element of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 5, 6, 5, 6, 1, 1, 1, 1, 5, 11, 5, 12, 5, 11, 1, 1, 1, 1, 5, 16, 5, 23, 5, 23, 5, 16, 1, 1, 1, 1, 5, 21, 5, 39, 5, 46, 5, 39, 5, 21, 1, 1, 1, 1, 5, 26, 1, 12, 1, 17, 1, 17, 1, 12, 5, 26, 1, 1, 1, 1, 5, 31, 5, 86, 1, 29, 1, 34, 1, 29, 5, 86, 5, 31, 1, 1, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/5 1/1; --> 1 1 5 1 1 1
1/1 6/5 6/5 1/1; --> ...
1/1 11/5 12/5 11/5 1/1;
1/1 16/5 23/5 23/5 16/5 1/1;
1/1 21/5 39/5 46/5 39/5 21/5 1/1;
1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

A046603 First numerator and then denominator of each element of the 1/5-Pascal triangle (by row), excluding 1's.

Original entry on oeis.org

5, 6, 5, 6, 5, 11, 5, 12, 5, 11, 5, 16, 5, 23, 5, 23, 5, 16, 5, 21, 5, 39, 5, 46, 5, 39, 5, 21, 5, 26, 5, 12, 17, 17, 12, 26, 5, 31, 5, 86, 5, 29, 34, 29, 86, 5, 31, 5, 36, 5, 117, 5, 231, 5, 63, 63, 231, 5, 117, 5, 36, 5, 41, 5, 153, 5, 348, 5, 546, 5, 126, 546, 5, 348, 5, 153, 5
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Extensions

More terms from James Sellers, Dec 14 1999

A046604 First denominator and then numerator of the 1/5-Pascal triangle (by row), excluding 1's.

Original entry on oeis.org

5, 5, 6, 5, 6, 5, 11, 5, 12, 5, 11, 5, 16, 5, 23, 5, 23, 5, 16, 5, 21, 5, 39, 5, 46, 5, 39, 5, 21, 5, 26, 12, 17, 17, 12, 5, 26, 5, 31, 5, 86, 29, 34, 29, 5, 86, 5, 31, 5, 36, 5, 117, 5, 231, 63, 63, 5, 231, 5, 117, 5, 36, 5, 41, 5, 153, 5, 348, 5, 546, 126, 5, 546, 5, 348, 5, 153, 5
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Extensions

More terms from James Sellers, Dec 14 1999

A046605 First denominator and then numerator of the 1/5-Pascal triangle (by row), excluding 1's and 5's.

Original entry on oeis.org

6, 6, 11, 12, 11, 16, 23, 23, 16, 21, 39, 46, 39, 21, 26, 12, 17, 17, 12, 26, 31, 86, 29, 34, 29, 86, 31, 36, 117, 231, 63, 63, 231, 117, 36, 41, 153, 348, 546, 126, 546, 348, 153, 41, 46, 194, 501, 894, 1176, 1176, 894, 501, 194, 46, 51, 48, 139, 279, 414, 2352, 414, 279, 139
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			Triangle begins:
1/1;
1/1  1/1;
1/1  1/5  1/1;
1/1  6/5  6/5  1/1;
1/1 11/5 12/5 11/5  1/1;
1/1 16/5 23/5 23/5 16/5  1/1;
1/1 21/5 39/5 46/5 39/5 21/5  1/1;
1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1;
...

Crossrefs

Cf. A046601.

Extensions

More terms from Asher Auel
Data corrected by Sean A. Irvine, Apr 13 2021

A046606 Numerators of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 6, 6, 1, 1, 11, 12, 11, 1, 1, 16, 23, 23, 16, 1, 1, 21, 39, 46, 39, 21, 1, 1, 26, 12, 17, 17, 12, 26, 1, 1, 31, 86, 29, 34, 29, 86, 31, 1, 1, 36, 117, 231, 63, 63, 231, 117, 36, 1, 1, 41, 153, 348, 546, 126, 546, 348, 153, 41, 1, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; --> 1
1/1 1/1;  --> 1 1
1/1 1/5 1/1;  --> 1 1 1
1/1 6/5 6/5 1/1;  --> 1 6 6 1
1/1 11/5 12/5 11/5 1/1;  --> ..
1/1 16/5 23/5 23/5 16/5 1/1;
1/1 21/5 39/5 46/5 39/5 21/5 1/1;
1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

A046607 Denominators of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 1, 1, 5, 1, 1, 5, 5, 1, 1, 5, 5, 5, 1, 1, 5, 5, 5, 5, 1, 1, 5, 5, 5, 5, 5, 1, 1, 5, 1, 1, 1, 1, 5, 1, 1, 5, 5, 1, 1, 1, 5, 5, 1, 1, 5, 5, 5, 1, 1, 5, 5, 5, 1, 1, 5, 5, 5, 5, 1, 5, 5, 5, 5, 1, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 5, 1, 1, 1, 1, 5, 1, 1, 1, 1, 5, 1, 1, 5, 5, 1, 1, 1, 5, 5, 1, 1, 1, 5, 5, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; --> 1
1/1 1/1;  --> 1 1
1/1 1/5 1/1;  --> 1 5 1
1/1 6/5 6/5 1/1;  --> 1 5 5 1
1/1 11/5 12/5 11/5 1/1; --> ...
1/1 16/5 23/5 23/5 16/5 1/1;
1/1 21/5 39/5 46/5 39/5 21/5 1/1;
1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Extensions

Description corrected by and more terms from James Sellers, Dec 15 1999

A046608 Distinct numbers in writing first numerator and then denominator of each element of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 5, 6, 11, 12, 16, 23, 21, 39, 46, 26, 17, 31, 86, 29, 34, 36, 117, 231, 63, 41, 153, 348, 546, 126, 194, 501, 894, 1176, 51, 48, 139, 279, 414, 2352, 56, 291, 187, 418, 693, 4422, 61, 347, 1226, 605, 1111, 7887, 8844, 66, 408, 1573, 4251, 1716, 13442, 16731
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Extensions

Corrected and extended by James Sellers, Dec 15 1999

A046609 Odd numbers in the numerators of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 11, 1, 1, 23, 23, 1, 1, 21, 39, 39, 21, 1, 1, 17, 17, 1, 1, 31, 29, 29, 31, 1, 1, 117, 231, 63, 63, 231, 117, 1, 1, 41, 153, 153, 41, 1, 1, 501, 501, 1, 1, 51, 139, 279, 279, 139, 51, 1, 1, 291, 187, 693, 693, 187, 291, 1, 1, 61, 347, 605, 1111
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Extensions

More terms from James Sellers, Dec 16 1999

A046610 First numerator and then denominator of the central elements of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 1, 5, 12, 5, 46, 5, 34, 1, 126, 1, 2352, 5, 8844, 5, 33462, 5, 25454, 1, 97240, 1, 1864356, 5, 7171892, 5, 27665596, 5, 21395520, 1, 82907640, 1, 321868854, 1, 1251661518, 1, 4874644104, 1, 19010020260, 1, 74225053980, 1, 290134122564, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Extensions

More terms from James Sellers, Dec 15 1999

A046611 First denominator and then numerator of the central elements of the 1/5-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 5, 1, 5, 12, 5, 46, 1, 34, 1, 126, 5, 2352, 5, 8844, 5, 33462, 1, 25454, 1, 97240, 5, 1864356, 5, 7171892, 5, 27665596, 1, 21395520, 1, 82907640, 1, 321868854, 1, 1251661518, 1, 4874644104, 1, 19010020260, 1, 74225053980, 1, 290134122564, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			Triangle of the fractions begins as:
  1/1;
  1/1,  1/1;
  1/1,  1/5,  1/1;
  1/1,  6/5,  6/5,  1/1;
  1/1, 11/5, 12/5, 11/5,  1/1;
  1/1, 16/5, 23/5, 23/5, 16/5,  1/1;
  1/1, 21/5, 39/5, 46/5, 39/5, 21/5,  1/1;
  1/1, 26/5, 12/1, 17/1, 17/1, 12/1, 26/5, 1/1;
  ...

Crossrefs

Cf. A046601.

Extensions

More terms from James Sellers, Dec 15 1999
Showing 1-10 of 28 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.