1048586

Appears in sequences

• a(n) = 2^n + ceiling(n/2).at n=20A134522
• a(n) = 4^n + n.at n=10A158879
• 1/4 the number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.at n=38A209725
• a(n) = 2^n + 10.at n=20A246139
• a(n) = A106315(A156552(n)).at n=71A324051
• a(n) = Sum_{k=1..n} 4^(gcd(k, n) - 1).at n=10A343490