305712

Appears in sequences

• Consider the family of directed multigraphs enriched by the species of directed graphs. Sequence gives number of those multigraphs with n labeled loops and arcs.at n=4A099706
• Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo 5 and the upper left element equal to 0.at n=10A267345