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 1-3 of 3 results.

A222977 Smallest member of sociable quadruples with signature: abundant, deficient, abundant, deficient.

Original entry on oeis.org

18048976, 46722700, 4424606020, 73636082872, 88585861815, 90568599176, 518833084192, 1138168194296, 5793575538465
Offset: 1

Views

Author

Michel Marcus, Mar 11 2013

Keywords

Comments

See comments in A222975.
1216327163895122388615 and 12015582455500352695694 are also terms. - Amiram Eldar, Apr 05 2024

Examples

			The first quadruple of this type is: 18048976, 20100368, 18914992, 19252208, that are respectively abundant, deficient, abundant, deficient.
		

Crossrefs

Extensions

a(8)-a(9) from Amiram Eldar, Apr 05 2024

A222976 Smallest member of sociable quadruples with signature: abundant, deficient, deficient, deficient.

Original entry on oeis.org

4938136, 209524210, 4823923384, 8653956136, 21669628904, 44379752648, 3681459083984, 4553100850815
Offset: 1

Views

Author

Michel Marcus, Mar 11 2013

Keywords

Comments

See comments in A222975.

Examples

			The first quadruple of this type is: 4938136, 5753864, 5504056, 5423384, that are respectively abundant, deficient, deficient, deficient.
		

Crossrefs

Extensions

a(7)-a(8) from Amiram Eldar, Apr 05 2024

A222978 Smallest member of sociable quadruples with signature: abundant, abundant, abundant, deficient.

Original entry on oeis.org

330003580, 3705771825, 5373457070
Offset: 1

Views

Author

Michel Marcus, Mar 11 2013

Keywords

Comments

See comments in A222975.
a(4) > 10^14, if it exists. - Amiram Eldar, Apr 05 2024

Examples

			The first quadruple of this type is: 330003580, 363003980, 399304420, 440004764 that are respectively abundant, abundant, abundant, deficient.
		

Crossrefs

Showing 1-3 of 3 results.