116412

Appears in sequences

• Expansion of (1 + 2*x + x^2)/(1 - 10*x + x^2).at n=5A004291
• Numerators of continued fraction convergents to sqrt(150).at n=4A041274
• Numbers n with property that for each single digit d of n, we can also see the decimal expansion of 2^d as a substring of n. Also n may not contain any zero digits.at n=32A135016
• a(n) is the least number k such that the sequence of elements of the abundancy index of k is palindromic with length n, or -1 if no such k exists.at n=14A349689