2359296

Appears in sequences

• a(n) = n*2^(n-1).at n=18A001787
• a(n) = 9*4^n.at n=9A002063
• Expansion of g.f.: (1+x)/(1-8*x).at n=7A003951
• a(n) = 9*2^n.at n=18A005010
• Length of longest trail (i.e., path with all distinct edges) on the edges of an n-cube.at n=18A005985
• a(n) = n*4^n.at n=9A018215
• Numbers of form 8^i*9^j, with i, j >= 0.at n=29A025633
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*12^j.at n=22A038290
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*8^j.at n=26A038334
• Sums of 2 distinct powers of 8.at n=27A038484
• Least number with exactly n divisors that are at most its square root.at n=28A038549
• Squares expressible as the sum of two positive cubes in at least one way.at n=29A050802
• Sums of two powers of 8.at n=34A055259
• Number of compositions of n into 3*j-1 kinds of j's for all j >= 1.at n=11A055841
• Coefficient triangle for certain polynomials.at n=34A055864
• Smallest integer with A002191(n) divisors, i.e., the number of divisors equals the sum of the divisors of a different number.at n=26A061072
• Smallest positive integer for which the number of divisors is a product of 2 distinct primes: Min{x; d[x]=pq}.at n=15A061148
• Numbers n such that reciprocal of n terminates with an infinite repetition of digit 1. Multiples of 10 are omitted.at n=4A064560
• Treated as strings, the concatenation c of the prime factors of n, in increasing order, is an initial segment of n. Equivalently, n begins with c.at n=21A069154
• 20-almost primes (generalization of semiprimes).at n=2A069281