4831838208

Appears in sequences

• a(n) = 9*2^n.at n=29A005010
• Expansion of (1 + 2*x)/(1 - 2*x)^3.at n=23A014477
• Reciprocal of n terminates with an infinite repetition of digit 2. Multiples of 10 are omitted.at n=6A064561
• a(n) = n^10*(n + 1)/2.at n=8A170793
• Odd powers of 2 and 9 times odd powers of 2, sorted.at n=30A190787
• Least number of the form 11*m-1 with exactly n prime factors, counted with multiplicity.at n=30A225210
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 3/2.at n=32A279634
• 30*a(n) + 1 is the least prime of the form 2^r*3^s*5^t + 1, r > 0, s > 0, t > 0, r + s + t = n.at n=31A337882
• a(n) is the least number of the form p^2 + q^2 - 2 for primes p and q that is an odd multiple of 2^n, or -1 if there is no such number.at n=29A359439
• a(n) is the least number whose divisors have a mean number of divisors that equals n.at n=30A374906