109881

Appears in sequences

• Numerators of continued fraction convergents to sqrt(21).at n=14A041032
• Numerators of continued fraction convergents to sqrt(84).at n=4A041148
• Let a(0)=1. Then a(n) = sums of consecutive strings of positive integers of length 3*n, starting with the integer 2.at n=29A289721
• a(n) = sqrt(84*A144930(n)^2 - 3).at n=2A350967