85353

Appears in sequences

• Expansion of e.g.f. log(-1/(-1+x))*exp(x) - log(-1/(-1+x)).at n=9A052863
• Numbers k such that gpf(k^2+1)/k sets a new record of low value, where gpf(k) is the greatest prime dividing k (A006530).at n=26A173561
• Irregular triangle of numbers k such that A002313(n), the n-th prime not congruent to 3 mod 4, is the largest prime factor of k^2 + 1.at n=55A223702