288615

Appears in sequences

• a(n) = 1 + Sum_{i=1..n} S2(i)*2^i, where S2(n) is digit sum of n, n in binary notation.at n=16A135570
• Least m such that the Collatz (3x+1) iteration of m has exactly n increasing peak values.at n=35A221470
• a(n) = strictly increasing number m, such that m+n is the next prime and m-n is the previous prime.at n=31A282687