228487

Appears in sequences

• Number of independent vertex sets in the n-prism graph Y_n = K_2 X C_n (n > 2).at n=14A051927
• a(n) = 6*a(n-1) - a(n-2) - 4, a(0)=3, a(1)=7.at n=7A081555
• Number of base-3 circular n-digit numbers with adjacent digits differing by 1 or less.at n=14A124696
• Bases in which 13 is a unique-period prime.at n=47A306077
• A323265(n)/2.at n=10A323266