12204241

Appears in sequences

• Triangle of Gaussian binomial coefficients [ n,k ] for q = 15.at n=29A022179
• a(n) = 1111111 in base n.at n=14A053716
• Generalized repunits in base 15.at n=6A135518
• a(n) = 1 + sigma(n) + sigma(n)^2 + sigma(n)^3 + sigma(n)^4 + sigma(n)^5 + sigma(n)^6.at n=7A259251
• a(n) = ((2*n + 1)^n - 1)/(2*n).at n=6A361291