262130

Appears in sequences

• a(n)^2 + 1 is largest prime of the form x^2 + 1 <= 2^n.at n=35A083848
• Numbers missing from A102370.at n=17A102371
• a(n) = 2^n - (2^(n-1) mod n), where "mod" is the nonnegative remainder operator.at n=17A320465