39053

Appears in sequences

• Composite numbers whose prime factors have no digits other than 7's and 9's.at n=16A036324
• Number of -3..3 arrays x(0..n-1) of n elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative.at n=7A199893
• T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative.at n=52A199898
• Sequence whose partial sums give A340492.at n=14A340493