107970

Appears in sequences

• a(n) = n*(2*n-1)*(2*n+1).at n=30A035328
• Squarefree numbers k such that A076341(k) = 0.at n=24A076352
• a(0)=1, a(n) = (3n-1)*3n*(3n+1)/2 for n>0.at n=20A157024
• Smallest fixed points (>0) of the base-2*n Kaprekar map.at n=29A319839