22829284

Appears in sequences

• Numbers n such that max(tau(n),tau(n+1),tau(n+2),tau(n+3))- min(tau(n),tau(n+1),tau(n+2),tau(n+3)) = 1.at n=17A173156
• a(1) = 1; a(n) is the smallest square > 2*a(n-1).at n=22A175627