26843544

Appears in sequences

• a(n) = 4 * floor(24*2^n/15) = 4*A077854(n).at n=22A102652
• Binary XOR of 2^k - (-1)^k as k varies from 1 to n.at n=25A199402
• Binary XOR of (2^k - (-1)^k)/3 as k varies from 1 to n.at n=25A199403