4294934528

Appears in sequences

• a(n) = 2^n - n^3.at n=32A024013
• Numbers k such that ud(k)*phi(k) = sigma(k), ud(k) = A034444.at n=12A063903
• Position of sqrt(n) in the mapping N2QuQR1 given in A065936.at n=17A065938
• Even perfect numbers divided by 2.at n=5A133028
• a(n) = 6*a(n-1) - 8*a(n-2) for n > 1; a(0) = 3, a(1) = 14.at n=15A171499
• Even multiply-perfect numbers divided by 2.at n=17A219544
• Numbers m such that m divides sigma(2*m).at n=28A227302
• Numerators of the positive solution to 2^(n-1) = Sum_{d|n} a(d) * a(n/d).at n=33A299151
• Number of palindromic compositions of 2*n into parts <= n.at n=32A354294