37060

Appears in sequences

• a(n) = n^3 + n^2 + n + 1.at n=33A053698
• Layer counting sequence for hyperbolic tessellation by regular pentagons of angle 2*Pi/5.at n=8A054889
• Numbers m such that phi(m) = tau(m)^3.at n=23A068559
• Sum of staircase twin primes according to the rule: top * bottom + next top.at n=13A135286
• a(n) = (33^n - 1)/32.at n=4A218736
• Totient numbers (A002202) of the form 1 + k + k^2 + k^3 +...+ k^i (i > 1, k > 1).at n=17A282090
• Indices of primes in A000712.at n=26A285217
• a(n) = prime(n)*prime(n+1) + prime(n+2).at n=42A292926
• Practical numbers z such that z^2 = x^2 + y^2 for some practical numbers x and y with gcd(x,y,z) = 4.at n=49A294112
• Smallest Brazilian composite in base n >= 2 which can be represented as a string of three or more 1's in this base.at n=31A325659
• G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x * (1 + x) * A(x^2))).at n=13A367713
• a(n) is the arithmetic mean of all multiplicative arithmetic functions f(n) with f(p^e) returning a monic degree 3 Littlewood polynomial of p.at n=32A386704