79338

Appears in sequences

• Number of length 3 walks on an n-dimensional hypercubic lattice starting at the origin and staying in the nonnegative part.at n=42A064043
• Numbers k such that sigma(k) = 2*sigma(k+1).at n=22A163193
• Numbers k such that the average of the divisors of k and k+1 is the same.at n=17A238380
• Numbers k such that k and k+1 have the same average of unitary divisors.at n=32A349222
• Numbers m such that tau(m) = 2 * tau(m + 1) and simultaneously sigma(m) = 2 * sigma(m + 1), where tau(k) = A000005(k) and sigma(k) = A000203(k).at n=2A353034