80018

Appears in sequences

• Number of closed walks of length n in a kite graph (K4 with one edge deleted).at n=12A181626
• Smallest m such that A259043(m) = n.at n=50A259046
• a(n) = n^4 + 3*n^3 + 8*n^2 + 9*n + 2.at n=16A270868