1108378657

Appears in sequences

• Numerators of the Taylor coefficients of (e^x-1)^2.at n=34A002678
• Divisors of 2^35 - 1.at n=14A003542
• Sum of n-th powers of divisors of 64.at n=5A020516
• Duplicate of A020516.at n=5A034670
• Number of cases in which the first player is killed in a Russian roulette game where 5 players use a gun with n chambers and the number of bullets can be from 1 to n. Players do not rotate the cylinder after the game starts.at n=30A119610
• a(n) = (2^(5*n) - 1)/31.at n=7A132469
• a(n+5) = a(n+4)+a(n+3)+a(n+2)+a(n+1)+2*a(n) with a(0)=0, a(1)=a(2)=a(3)=a(4)=1.at n=33A226310
• a(n) = 1 + sigma(n) + sigma(n)^2 + sigma(n)^3 + sigma(n)^4 + sigma(n)^5 + sigma(n)^6.at n=20A259251
• Numbers n such that 2^(sigma(n)-n) == 1 (mod n).at n=11A277172
• a(n) = Numerator([x^n] (4*sinh(sqrt(x)/2)^2*cosh(sqrt(x)))/x).at n=17A327497
• Expansion of 1/((1 - 2*x)*(1 + x + x^2 + x^3 + x^4)).at n=31A349842