24504480

Appears in sequences

• Numbers k such that sigma(k)/phi(k) sets a new record.at n=36A018894
• Least common multiple of {2, 4, 6, ..., 2n}.at n=17A051426
• Least common multiple of {2, 4, 6, ..., 2n}.at n=16A051426
• LCM of numbers <= n and having a factor in common with n.at n=33A066574
• LCM of numbers m such that 1 <= m <= n, m has a common factor with n, but m does not divide n.at n=37A066575
• Distinct values of A080374, where A080374(n) is the lcm of the first n consecutive prime differences.at n=12A080375
• Square root of product of terms in row n of A083486.at n=9A083484
• Least common multiple of all cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutation A082335/A082336 (and also of A082349/A082350, to be proved).at n=17A089423
• Least common multiple of all cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutation A082335/A082336 (and also of A082349/A082350, to be proved).at n=18A089423
• Even-indexed terms of A089423.at n=9A089431
• Least common multiple of all cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutation A085163/A085164.at n=17A090830
• Least common multiple of all cycle sizes in range [A014137(n-1)..A014138(n-1)] of permutation A085163/A085164.at n=18A090830
• Deeply composite numbers: numbers n where sigma_k(n) increases to a record for all sufficiently low (i.e., negative) values of k.at n=32A095848
• Least number k such that the number of divisors of k which are < log(k) equals n.at n=17A096001
• Members of A097212, excluding highly composite numbers (A002182).at n=14A097213
• Max{ k!/(a(1)!*a(2)!*..*a(n)!) : a(1) + 2*a(2) + 3*a(3) + ... + n*a(n) = n, a(1) + a(2) + ... + a(n) = k }.at n=32A102462
• Where records occur in A018892.at n=42A126098
• Noncrossing set partition version of A102356.at n=18A130760
• LCM of all differences of odd primes up to prime(n).at n=9A164313
• Numbers in A094348 but not A002182.at n=5A164377