40290

Appears in sequences

• a(n) = numerator of constant lambda(n) involved in a recurrence for the Atkin polynomials A_k(j).at n=13A145226
• Number of (w,x,y,z) with all terms in {1,...,n} and w^3>x^3+y^3+z^3.at n=22A212099
• Numbers k such that 10^k - 801 is prime.at n=30A271618
• G.f. satisfies A(x) = 1 - x^3 + x*A(x)^3.at n=8A367046
• Numbers k such that the sum of the numbers from 1 to k and that from 1 to k+1 share the same sum of divisors.at n=23A375819
• Numbers k such that k^(k + 1) == k + 1 (mod 2*k + 1) while 2*k+1 is not prime.at n=5A380831