23079

Appears in sequences

• Expansion of log(1+tanh(x)/exp(x)).at n=7A009402
• a(0)=4, a(1)=9, a(n) = 4a(n-1) - a(n-2).at n=7A057819
• Starting positions of strings of three 8's in the decimal expansion of Pi.at n=22A083637
• a(n) = A108466(A025487).at n=38A108467
• Numbers k such that k and 2*k, taken together are pandigital.at n=15A115922