3817748707
domain: N
Appears in sequences
- Positions of remoteness 2 in Beans-Don't-Talk.at n=19A005698
- Smallest start for a '3x+1' sequence containing 2^n.at n=33A010120
- Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0.at n=15A037667
- Smallest number to give 2^(2n) in a hailstone (or 3x + 1) sequence.at n=16A054646
- a(n) = sum(2^(A047240(i)-1), i=1..n).at n=16A113854
- a(n) = floor(4^n/n).at n=17A129794
- a(0)=1. a(n+1)=2*a(n)-A130151(n).at n=34A132780
- a(n) = 2*a(n-1) - a(n-3) + 2*a(n-4).at n=32A135350
- a(n) = floor(2^n/9).at n=35A153234
- a(n) = (1/18)*(8^n - (-1)^n - 9).at n=11A172241
- Last number in row n of triangle A199636.at n=31A199638
- Odd numbers producing 3 out-of-order odd numbers in the Collatz (3x+1) iteration.at n=5A228871
- The least k such that the Collatz (3x+1) iteration of k contains 2^n as the largest power of 2.at n=34A231610
- a(n) = floor(2^(n+1)/n).at n=35A281375
- a(n+3) = 2^n - a(n), a(0)=a(2)=1, a(1)=0 for n >= 0.at n=35A328881
- Indices of records in A347409.at n=19A347668
- Indices of first occurrences of n in A347409.at n=34A347669
- a(n) = (2^(3*n + 3 + (-1)^n) - (6 + (-1)^n))/9, for n >= 1.at n=10A350053
- Odd numbers whose Collatz trajectory is a Sidon sequence.at n=22A374527