39121

Appears in sequences

• A sequence with a(n)/a(n-1) converging to 7, generated from a semi-magic square.at n=5A094944
• Numbers n such that d(n + d(n)) = d(n), where d(n) is the sum of the distinct primes dividing n.at n=35A175760
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>2.at n=22A211614