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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A046574 Distinct numbers in writing first numerator and then denominator of the central elements of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

1, 4, 5, 2, 19, 35, 259, 483, 1815, 6864, 52195, 99671, 382109, 1469650, 5668327, 21915550, 84913470, 329624730, 2563431075, 4991324415, 19463777025, 75992317170, 297026449005, 1162147683450, 4551257541090, 17839099909800
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999

A046575 First numerator and then denominator of the elements to the right of the central elements of the 1/4-Pascal triangle.

Original entry on oeis.org

1, 1, 1, 1, 5, 4, 1, 1, 9, 4, 1, 1, 19, 4, 13, 4, 1, 1, 8, 1, 17, 4, 1, 1, 35, 2, 49, 4, 21, 4, 1, 1, 119, 4, 35, 2, 25, 4, 1, 1, 259, 4, 189, 4, 95, 4, 29, 4, 1, 1, 112, 1, 71, 1, 31, 1, 33, 4, 1, 1, 483, 2, 183, 1, 102, 1, 157, 4, 37, 4, 1, 1, 849, 2, 285, 1, 565, 4, 97, 2, 41, 4, 1, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999

A046576 First denominator and then numerator of the elements to the right of the central elements of the 1/4-Pascal triangle.

Original entry on oeis.org

1, 1, 1, 1, 4, 5, 1, 1, 4, 9, 1, 1, 4, 19, 4, 13, 1, 1, 1, 8, 4, 17, 1, 1, 2, 35, 4, 49, 4, 21, 1, 1, 4, 119, 2, 35, 4, 25, 1, 1, 4, 259, 4, 189, 4, 95, 4, 29, 1, 1, 1, 112, 1, 71, 1, 31, 4, 33, 1, 1, 2, 483, 1, 183, 1, 102, 4, 157, 4, 37, 1, 1, 2, 849, 1, 285, 4, 565, 2, 97, 4, 41, 1, 1, 2
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999

A046577 First denominator and then numerator of the elements to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 1's.

Original entry on oeis.org

4, 5, 4, 9, 4, 19, 4, 13, 8, 4, 17, 2, 35, 4, 49, 4, 21, 4, 119, 2, 35, 4, 25, 4, 259, 4, 189, 4, 95, 4, 29, 112, 71, 31, 4, 33, 2, 483, 183, 102, 4, 157, 4, 37, 2, 849, 285, 4, 565, 2, 97, 4, 41, 2, 1815, 2, 1419, 4, 1705, 4, 759, 4, 235, 4, 45, 1617, 4, 4543, 616, 2, 497, 70, 4
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999

A046578 First denominator and then numerator of the elements to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 1's and 4's.

Original entry on oeis.org

5, 9, 19, 13, 8, 17, 2, 35, 49, 21, 119, 2, 35, 25, 259, 189, 95, 29, 112, 71, 31, 33, 2, 483, 183, 102, 157, 37, 2, 849, 285, 565, 2, 97, 41, 2, 1815, 2, 1419, 1705, 759, 235, 45, 1617, 4543, 616, 2, 497, 70, 49, 3432, 11011, 7007, 2, 1729, 2, 637, 329, 53, 24739, 2, 9009
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; -->
1/1 1/1; -->
1/1 1/4 1/1; -->
1/1 5/4 5/4 1/1; --> 5
1/1 9/4 5/2 9/4 1/1; --> 9
1/1 13/4 19/4 19/4 13/4 1/1; --> ...
1/1 17/4 8/1 19/2 8/1 17/4 1/1;
1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from David W. Wilson

A046579 First numerator and then denominator of the elements to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 4's.

Original entry on oeis.org

1, 1, 1, 1, 5, 1, 1, 9, 1, 1, 19, 13, 1, 1, 8, 1, 17, 1, 1, 35, 2, 49, 21, 1, 1, 119, 35, 2, 25, 1, 1, 259, 189, 95, 29, 1, 1, 112, 1, 71, 1, 31, 1, 33, 1, 1, 483, 2, 183, 1, 102, 1, 157, 37, 1, 1, 849, 2, 285, 1, 565, 97, 2, 41, 1, 1, 1815, 2, 1419, 2, 1705, 759, 235, 45, 1, 1, 1617
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999

A046580 Numerators of the elements to the right of the central elements of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

1, 1, 5, 1, 9, 1, 19, 13, 1, 8, 17, 1, 35, 49, 21, 1, 119, 35, 25, 1, 259, 189, 95, 29, 1, 112, 71, 31, 33, 1, 483, 183, 102, 157, 37, 1, 849, 285, 565, 97, 41, 1, 1815, 1419, 1705, 759, 235, 45, 1, 1617, 4543, 616, 497, 70, 49, 1, 3432, 11011, 7007, 1729, 637
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; -->
1/1  1/1; --> 1
1/1  1/4  1/1; --> 1
1/1  5/4  5/4  1/1; --> 5 1
1/1  9/4  5/2  9/4  1/1; --> 9 1
1/1 13/4 19/4 19/4 13/4  1/1;
1/1 17/4  8/1 19/2  8/1 17/4  1/1;
1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from Don Gray (s1171480(AT)cedarville.edu)
Data corrected by Sean A. Irvine, Apr 13 2021

A046581 First numerator and then denominator of each element of the 1/4-Pascal triangle (by row), excluding 4's.

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 9, 5, 2, 9, 1, 1, 1, 1, 13, 19, 19, 13, 1, 1, 1, 1, 17, 8, 1, 19, 2, 8, 1, 17, 1, 1, 1, 1, 21, 49, 35, 2, 35, 2, 49, 21, 1, 1, 1, 1, 25, 35, 2, 119, 35, 1, 119, 35, 2, 25, 1, 1, 1, 1, 29
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/4 1/1; --> 1 1 1 1 1
1/1 5/4 5/4 1/1; --> 1 1 5 5 1 1
1/1 9/4 5/2 9/4 1/1; --> ...
1/1 13/4 19/4 19/4 13/4 1/1;
1/1 17/4 8/1 19/2 8/1 17/4 1/1;
1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

A046582 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row), excluding 4's.

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 9, 2, 5, 9, 1, 1, 1, 1, 13, 19, 19, 13, 1, 1, 1, 1, 17, 1, 8, 2, 19, 1, 8, 17, 1, 1, 1, 1, 21, 49, 2, 35, 2, 35, 49, 21, 1, 1, 1, 1, 25, 2, 35, 119, 1, 35, 119, 2, 35, 25, 1, 1, 1, 1, 29
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/4 1/1; --> 1 1 1 1
1/1 5/4 5/4 1/1; --> 1 1 5 5 1 1
1/1 9/4 5/2 9/4 1/1; --> ...
1/1 13/4 19/4 19/4 13/4 1/1;
1/1 17/4 8/1 19/2 8/1 17/4 1/1;
1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

A046583 First denominator and then numerator of each element to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 4's.

Original entry on oeis.org

1, 1, 1, 1, 5, 1, 1, 9, 1, 1, 19, 13, 1, 1, 1, 8, 17, 1, 1, 2, 35, 49, 21, 1, 1, 119, 2, 35, 25, 1, 1, 259, 189, 95, 29, 1, 1, 1, 112, 1, 71, 1, 31, 33, 1, 1, 2, 483, 1, 183, 1, 102, 157, 37, 1, 1, 2, 849, 1, 285, 565, 2, 97, 41, 1, 1, 2, 1815, 2, 1419, 1705, 759, 235, 45, 1, 1, 1
Offset: 1

Views

Author

Mohammad K. Azarian

Keywords

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999
Previous Showing 11-20 of 37 results. Next

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