3960100

Appears in sequences

• Number of 4 X n 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=17A207950
• Squares that are also pentagonal pyramidal numbers.at n=10A277792
• Detour index of the n X n black bishop graph.at n=19A387645