475793

Properties

Appears in sequences

• Negative of column k=9 sequence of array A103728.at n=4A103914
• Number of base 21 circular n-digit numbers with adjacent digits differing by 1 or less.at n=11A124714
• Number of isomorphism classes of simply embedded (i.e., loop-free and without parallel edges bounding a disk) quadrangulations of RP^2 of minimum degree 3 with n nodes and n-1 faces.at n=14A187013
• Number of -2..2 arrays of n elements with first through fourth differences also in -2..2.at n=18A202658
• Prime numbersat n=39686