39767
domain: N
Appears in sequences
- Number of solutions to c(1)*prime(4) + ... + c(n)*prime(n+3) = 1, where c(i) = +-1 for i>1, c(1) = 1.at n=24A022904
- Multiples of 1729, the Hardy-Ramanujan number.at n=23A138129
- Odd squarefree numbers n such that the cyclotomic polynomial Phi(n,x) is not coefficient convex.at n=17A146960
- a(n) = 36*n^2 - 55*n + 21.at n=33A157262
- Where records occur in A217287.at n=27A217289
- Denominator of new minima of phi(p-1)/(p-1), where phi is Euler's totient function and p = prime(n).at n=13A241198
- Least number x such that x^n has n digits equal to k. Case k = 8.at n=30A285455
- Indices of record high values in A061836.at n=36A333533
- G.f. A(x) satisfies: A(x) = x^2 + x^3 * exp(A(x) + A(x^2)/2 + A(x^3)/3 + A(x^4)/4 + ...).at n=31A346030
- a(n) = A000265(A263931(n)).at n=36A356637
- a(n) = A000265(A263931(n)).at n=37A356637