84051

Appears in sequences

• a(n) = (10*n+3)*(10*n+17).at n=28A152579
• a(n) is the third number in a triple consisting of 3 numbers, which when squared are part of a right diagonal of a magic square of squares.at n=4A273189
• Number of edges formed by sides and straight "chords" in a right triangle when each side is divided by vertices into n equal segments.at n=12A274586