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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A046584 Odd numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).

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

Views

Author

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.

A046585 Odd numbers in writing first denominator and then numerator of each element of the 1/4-Pascal triangle (by row).

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, 9, 1, 1, 1, 1, 13, 19, 19, 13, 1, 1, 1, 1, 17, 1, 19, 1, 17, 1, 1, 1, 1, 21, 49, 35, 35, 49, 21, 1, 1, 1, 1, 25, 35, 119, 1, 35, 119, 35, 25, 1, 1, 1, 1, 29, 95, 189, 259, 259, 189, 95, 29, 1, 1, 1, 1, 33, 1, 31, 1, 71, 1, 259
Offset: 1

Views

Author

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.

A046586 Distinct odd numbers in the numerators of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

1, 5, 9, 13, 19, 17, 21, 49, 35, 25, 119, 29, 95, 189, 259, 33, 31, 71, 37, 157, 183, 483, 41, 97, 565, 285, 849, 45, 235, 759, 1705, 1419, 1815, 497, 4543, 1617, 53, 329, 637, 1729, 7007, 11011, 57, 191, 1603, 1183, 10465, 9009, 24739, 61, 439, 1985, 6335, 15197
Offset: 1

Views

Author

Keywords

Examples

			1/1; --> 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; --> 13 19
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

A046587 Even numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

4, 4, 4, 4, 2, 4, 4, 4, 4, 4, 4, 8, 2, 8, 4, 4, 4, 2, 2, 4, 4, 4, 2, 4, 4, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 112, 2, 112, 4, 4, 4, 102, 2, 2, 102, 4, 4, 4, 2, 4, 2, 2, 4, 2, 4, 4, 4, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 4, 70, 2, 616, 4, 4, 616, 2, 70, 4, 4, 4, 2, 2, 4, 4, 3432, 3432, 4, 4, 2, 2, 4, 4, 4, 2, 4
Offset: 1

Views

Author

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

A046588 Distinct numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

1, 5, 4, 9, 19, 13, 8, 17, 35, 2, 49, 21, 119, 25, 259, 189, 95, 29, 112, 71, 31, 33, 483, 183, 102, 157, 37, 849, 285, 565, 97, 41, 1815, 1419, 1705, 759, 235, 45, 1617, 4543, 616, 497, 70, 3432, 11011, 7007, 1729, 637, 329, 53, 24739, 9009, 10465, 1183, 1603
Offset: 1

Views

Author

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

A046589 Distinct even numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

4, 2, 8, 112, 102, 70, 616, 3432, 6864, 606, 2080, 10920, 17810, 23738, 2686, 28730, 41548, 23766, 70278, 13566, 196, 5320, 102714, 184110, 352716, 286824, 1469650, 11408, 155848, 4293962, 5289448, 2400, 1378850, 9583410, 21915550, 37442160
Offset: 1

Views

Author

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

A046590 Numerators 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

5, 9, 19, 13, 8, 17, 35, 49, 21, 119, 35, 25, 259, 189, 95, 29, 112, 71, 31, 33, 483, 183, 102, 157, 37, 849, 285, 565, 97, 41, 1815, 1419, 1705, 759, 235, 45, 1617, 4543, 616, 497, 70, 49, 3432, 11011, 7007, 1729, 637, 329, 53, 24739, 9009, 10465, 1183, 1603
Offset: 1

Views

Author

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; --> 19 13
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

A046591 First numerator and then denominator of each element of the 1/4-Pascal triangle (by row), excluding 2's.

Original entry on oeis.org

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, 9, 4, 1, 1, 1, 1, 13, 4, 19, 4, 19, 4, 13, 4, 1, 1, 1, 1, 17, 4, 8, 1, 19, 8, 1, 17, 4, 1, 1, 1, 1, 21, 4, 49, 4, 35, 35, 49, 4, 21, 4, 1, 1, 1, 1, 25, 4, 35, 119, 4, 35, 1, 119, 4, 35, 25, 4, 1, 1, 1, 1, 29, 4
Offset: 1

Views

Author

Keywords

Examples

			1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/4 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.

A046592 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row), excluding 2's.

Original entry on oeis.org

1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 4, 5, 4, 5, 1, 1, 1, 1, 4, 9, 5, 4, 9, 1, 1, 1, 1, 4, 13, 4, 19, 4, 19, 4, 13, 1, 1, 1, 1, 4, 17, 1, 8, 19, 1, 8, 4, 17, 1, 1, 1, 1, 4, 21, 4, 49, 35, 35, 4, 49, 4, 21, 1, 1, 1, 1, 4, 25, 35, 4, 119, 1, 35, 4, 119, 35, 4, 25, 1, 1, 1, 1, 4, 29
Offset: 1

Views

Author

Keywords

Examples

			1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/4 1/1; --> 1 1 4 1 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.

A046593 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row),excluding 1's and 2's.

Original entry on oeis.org

4, 4, 5, 4, 5, 4, 9, 5, 4, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 8, 19, 8, 4, 17, 4, 21, 4, 49, 35, 35, 4, 49, 4, 21, 4, 25, 35, 4, 119, 35, 4, 119, 35, 4, 25, 4, 29, 4, 95, 4, 189, 4, 259, 4, 259, 4, 189, 4, 95, 4, 29, 4, 33, 31, 71, 112, 259, 112, 71, 31, 4, 33, 4, 37, 4, 157, 102
Offset: 1

Views

Author

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 21-30 of 37 results. Next