48678

Appears in sequences

• Number of labeled projective plane trees (or "flat" trees) with n nodes.at n=14A006082
• Aliquot sequence starting at 1134.at n=13A014365
• a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2*n - 3 - 2^(p+1) and p is the unique integer such that 2^p < n-1 <= 2^(p+1), with a(1) = 1, a(2) = 3, and a(3) = 2.at n=17A049920
• Numbers n such that n^6 + 545 is prime.at n=36A163592
• Numbers k such that (41*10^k + 373)/9 is prime.at n=21A285377
• Products of 5 distinct primes that are sandwiched between twin prime numbers.at n=31A376380