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 23 results. Next

A124059 Number of connected asymmetric graphs with n nodes.

Original entry on oeis.org

1, 0, 0, 0, 0, 8, 144, 3552, 131452, 7840396, 797524380, 143325597564
Offset: 1

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Author

Keywords

Comments

A graph possessing only a single automorphism is called an identity or asymmetric graph, |Aut(g)|=1. - Travis Hoppe, Apr 27 2014

Crossrefs

Cf. A003400 (not-necessarily connected simple asymmetric graphs).
Cf. A275867 (disconnected simple asymmetric graphs).
Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

Formula

Inverse WEIGH transform of A003400 (see Transforms link).
a(n) = A003400(n) - A275867(n).

Extensions

a(12) from Alois P. Heinz, Jun 11 2018

A241455 Number of simple connected graphs g on n nodes with |Aut(g)| = 4.

Original entry on oeis.org

0, 0, 0, 1, 3, 28, 198, 1971, 29047, 672516
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 23 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241456 Number of simple connected graphs g on n nodes with |Aut(g)| = 6.

Original entry on oeis.org

0, 0, 1, 1, 1, 7, 31, 221, 3025, 68033
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 23 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241457 Number of simple connected graphs g on n nodes with |Aut(g)| = 8.

Original entry on oeis.org

0, 0, 0, 1, 2, 9, 55, 499, 6017, 107312
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 23 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241458 Number of simple connected graphs g on n nodes with |Aut(g)| = 10.

Original entry on oeis.org

0, 0, 0, 0, 1, 1, 1, 3, 13, 123
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 25 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241459 Number of simple connected graphs g on n nodes with |Aut(g)| = 12.

Original entry on oeis.org

0, 0, 0, 0, 3, 10, 51, 356, 3395, 49862
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 25 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241460 Number of simple connected graphs g on n nodes with |Aut(g)| = 14.

Original entry on oeis.org

0, 0, 0, 0, 0, 0, 2, 2, 2, 6
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 25 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241461 Number of simple connected graphs g on n nodes with |Aut(g)| = 16.

Original entry on oeis.org

0, 0, 0, 0, 0, 3, 10, 123, 992, 14026
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 25 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241462 Number of simple connected graphs g on n nodes with |Aut(g)| = 20.

Original entry on oeis.org

0, 0, 0, 0, 0, 0, 2, 6, 29, 199
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 25 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.

A241463 Number of simple connected graphs g on n nodes with |Aut(g)| = 24.

Original entry on oeis.org

0, 0, 0, 1, 1, 1, 14, 118, 1247, 17191
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Apr 25 2014

Keywords

Crossrefs

Cf. Values of |Aut(g)| for simple connected graphs, A124059, A241454, A241455, A241456, A241457, A241458, A241459, A241460, A241461, A241462, A241463, A241464, A241465, A241466, A241467, A241468, A241469, A241470, A241471.
Showing 1-10 of 23 results. Next