101115

Appears in sequences

• tan(log(x+1)-arcsinh(x))=-1/2!*x^2+3/3!*x^3-6/4!*x^4+15/5!*x^5...at n=9A013272
• arctanh(log(x+1)-arcsinh(x))=-1/2!*x^2+3/3!*x^3-6/4!*x^4+15/5!*x^5...at n=9A013278
• Concatenation of n-th prime number and n-th lucky number.at n=25A032603
• a(n) = n*(n+1)*(5*n^2 - n - 3)/2.at n=14A172118
• Numbers with five neighboring primes on the hexagonal spiral board of odd numbers.at n=36A345654
• Odd numbers k such that gcd(A276086(sigma(k)-k), A276086(k)) is equal to A276086(k), where A276086 is the primorial base exp-function, and sigma is the sum of divisors function.at n=45A388267