9043968

Appears in sequences

• a(n) = 2^(n-2)*(n^2 - n + 4).at n=17A053730
• Second column of triangle A055584.at n=15A055585
• a(n) = (2*n+1)*2^floor((n+1)/2).at n=34A097578
• Smallest number beginning with 9 and having exactly n prime divisors counted with multiplicity.at n=18A106429
• a(n) = (4*n - 3) * 2^(n - 1).at n=17A118415
• a(1)= 2. For n > 1, a(n) is the least number k such that k, k - a(n-1) and k + a(n-1) all have n prime divisors counted by multiplicity.at n=18A365852