30650

Appears in sequences

• Expansion of Product_{m>0} (1+q^m)^(m(m+1)/2).at n=14A028377
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 14.at n=25A031692
• Numbers k such that sopf(k) + 1 = sopf(k+1), where sopf(k) = A008472(k).at n=26A064111
• a(n) = 625*n^2 + 25.at n=6A157915
• a(n) = 49*n^2 + n.at n=24A173141
• For 1<=x<=n, 1<=y<=n, write gcd(x,y) = u*x+v*y with u,v minimal; a(n) = sum of the values of u^2+v^2.at n=29A345434