2596448

Appears in sequences

• Lesser members of dihedral amicable pairs: numbers (m, k) such that t(m) = t(k) = m + k, where t(k) = sigma(k) + d(k).at n=28A320457
• Expansion of e.g.f. 2 / (3 - 2*x - exp(2*x)).at n=7A355110