A376780 Triangular table read by rows: T(n,k) is the minimum number of minimal forbidden subgraphs of a graph with n vertices and k edges, n >= 1, 0 <= k <= n*(n-1)/2.

1, 2, 1, 2, 2, 2, 1, 2, 3, 2, 3, 2, 2, 1, 2, 3, 2, 3, 3, 4, 3, 3, 2, 2, 1, 2, 3, 3, 2, 4, 3, 4, 5, 5, 4, 5, 5, 4, 2, 2, 1, 2, 3, 3, 2, 4, 4, 3, 4, 5, 4, 5, 5, 7, 6, 6, 5, 5, 4, 4, 2, 2, 1, 2, 3, 3, 3, 2, 4, 4, 3, 5, 6, 5, 6, 5, 5, 7, 6, 7, 10, 9, 9, 9, 8, 10, 5, 5, 4, 2, 2, 1

Offset: 1

Author

Max Alekseyev, Oct 03 2024

Keywords

• nonn
• tabf

Examples

			Table starts with
n = 1: 1
n = 2: 2, 1
n = 3: 2, 2, 2, 1
n = 4: 2, 3, 2, 3, 2, 2, 1
...
		

Links

• Max A. Alekseyev and Allan Bickle, Forbidden Subgraphs of Single Graphs, 2024.

Crossrefs

Cf. A002865, A006897, A103221, A371161, A371162, A376781, A376782.