59652323

Properties

Appears in sequences

• Positions of remoteness 2 in Beans-Don't-Talk.at n=15A005698
• Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0.at n=12A037667
• a(n) = sum(2^(A047240(i)-1), i=1..n).at n=13A113854
• First differences of (A113405 prefixed with a 0).at n=29A131666
• a(0)=1. a(n+1)=2*a(n)-A130151(n).at n=28A132780
• a(n) = 2*a(n-1) - a(n-3) + 2*a(n-4).at n=26A135350
• a(n) = floor(2^n/9).at n=29A153234
• a(n) = (1/18)*(8^n - (-1)^n - 9).at n=9A172241
• Last number in row n of triangle A199636.at n=25A199638
• Odd numbers producing 3 out-of-order odd numbers in the Collatz (3x+1) iteration.at n=4A228871
• a(n+3) = 2^n - a(n), a(0)=a(2)=1, a(1)=0 for n >= 0.at n=29A328881
• a(n) = (2^(3*n + 3 + (-1)^n) - (6 + (-1)^n))/9, for n >= 1.at n=8A350053
• Odd numbers whose Collatz trajectory is a Sidon sequence.at n=18A374527
• Prime numbersat n=3542696