908107200

Appears in sequences

• a(1) = 3, then a(n) = smallest multiple of the previous term with as many divisors.at n=4A076964
• Denominators of partial sums of a certain series of inverse central binomial coefficients.at n=8A145565
• Members of A025487 whose prime signature is self-conjugate (as a partition).at n=27A181825
• Numbers k such that sigma(k) >= sigma(k-2) + sigma(k-1) + sigma(k+1) + sigma(k+2).at n=18A226589
• Denominators of a semi-convergent series leading to the first Stieltjes constant gamma_1.at n=5A262383
• Numbers k with a record value of tau(tau(k)) (A010553), where tau(k) is the number of divisors of k (A000005).at n=15A335831
• Indices of record values of A036450(n) = d(d(d(n))).at n=6A358448
• Table read by rows: T(n, k) = A124320(n + 1, k) * A132393(n, k).at n=43A368583
• Table read by rows: T(n, k) = A124320(n + 1, k) * A048993(n, k).at n=43A368584