33567

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 19 ones.at n=29A031787
• Numbers k such that x^k + x^8 + 1 is irreducible over GF(2).at n=11A057478
• Starting term of the smallest n-chain of numbers whose squares are permutations of the same digits.at n=30A085546
• G.f. A(x) satisfies: A(x)^2 equals the g.f. of A110630, which consists entirely of numbers 1 through 4.at n=29A112570
• Number of partitions p of n such that (number of numbers in p of form 3k+1) = (number of numbers in p of form 3k+2).at n=47A241738
• G.f.: Sum_{n>=0} (n+1)*(n+2)/2 * x^n * ((1+x)^n + 1)^n / (1 + x*(1+x)^n)^(n+3).at n=8A326007
• Sum of all squarefree semiprimes with greater prime factor prime(n).at n=18A339194