30551

Appears in sequences

• Let A(n) = #{(i,j,k): i^2 + j^2 + k^2 <= n}, V(n) = (4/3)*Pi*n^(3/2), P(n) = A(n) - V(n); A000092 gives values of n where |P(n)| sets a new record; sequence gives A(A000092(n)).at n=19A000413
• Numerators of continued fraction convergents to sqrt(623).at n=4A042196
• Number of binary strings of length n with no substrings equal to 0011 0101 or 0110.at n=18A164503
• Numbers n such that the digits of sigma(n) are exactly the same (albeit in different order) as the digits of phi(n), in base 10.at n=34A175795
• Least odd number k such that x' = k has n solutions, where x' is the arithmetic derivative (A003415) of x.at n=32A189560