44343

Appears in sequences

• Expansion of exp( Sum_{n>=1} -sigma(9*n)*x^n/n ) in powers of x.at n=17A283169
• Irregular table whose rows are the nontrivial cycles of the ghost iteration A329200, ordered by increasing smallest member, always listed first.at n=8A329196
• Numbers k for which sigma(k - x) + sigma(k + x) = 8*k has at least one nonnegative solution.at n=16A384841