45210

Appears in sequences

• Rotations of 123, 245, 367, 489 (terms differ by 122) juxtaposed with the product of their last 2 digits. See example line.at n=5A122043
• Number of distinct lines passing through at least three points in a triangular grid of side n.at n=42A234248
• Matula-Goebel numbers of transitive rooted identity trees (or transitive finitary sets).at n=26A290760