3704400

Appears in sequences

• Denominators of poly-Bernoulli numbers B_n^(k) with k=3.at n=6A027646
• Factorial splitting: write n! = x*y*z with x<y<z and x maximal; sequence gives value of x.at n=18A061030
• Numbers k such that sigma(k) - usigma(k) > 3k.at n=22A063875
• a(1) = 1, a(2) = 2, a(n) = smallest multiple of n beginning with the product of two previous terms.at n=5A087546
• a(n) = n^2 * (n+1)^3.at n=20A099762
• Numbers k such that both k and sigma(k)=A000203(k) are powerful, i.e., are terms of A001694.at n=16A337044
• Numbers k such that k and the next two numbers after k with the same prime signature as k also have the same set of distinct prime divisors as k.at n=21A340303
• Numbers k such that k and the next three numbers after k with the same prime signature as k also have the same set of distinct prime divisors as k.at n=3A340304
• Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of x.at n=21A355189
• a(n) is the smallest number k for which k and the arithmetic derivative k' (A003415) have exactly n triangular divisors (A000217).at n=17A357842
• a(n) is the least number that has exactly n exponential abundant divisors.at n=21A389299
• a(n) is the least exponential deficient number that has exactly n exponential abundant divisors.at n=21A389300