720896

Appears in sequences

• a(n) = 11*4^n.at n=8A002089
• a(n) = 11*2^n.at n=16A005015
• First differences of A045623.at n=18A045891
• 17-almost primes (generalization of semiprimes).at n=9A069278
• Inverse binary transform of A027656.at n=18A081037
• Smallest number beginning with 7 and having exactly n prime divisors counted with multiplicity.at n=16A106427
• Numbers of the form (4^i)*(11^j), with i, j >= 0.at n=35A107988
• a(0)=44; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1).at n=28A108213
• a(0)=44; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1).at n=31A108213
• a(0)=22; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1).at n=30A108732
• a(0)=22; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1).at n=33A108732
• Numbers of isomers of unbranched a-4-catapolypentagons - see Brunvoll reference for precise definition.at n=19A121133
• Numbers of polypentagons with two connected internal vertices (see Cyvin et al. for precise definition).at n=19A122742
• Number of planar n X n X n binary triangular grids symmetric both under 120-degree rotation and reflection with no more than 1 one in any 2 X 2 X 2 subtriangle.at n=20A153898
• a(1) = 1. For n >=2, a(n) = the smallest integer > a(n-1) such that both a(n) and a(n)-a(n-1) have the same number of (non-leading) 0's when they are represented in binary.at n=34A160825
• Numbers with 34 divisors.at n=3A175744
• Expansion of g.f. (1-5*x)/(1-16*x).at n=5A196664
• Records in A114183.at n=23A222193
• Numbers of the form prime(i)^2^(i-1) or prime(i)^2^(j-1)*prime(j)^2^(i-1) with i and j distinct integers.at n=8A225548
• Number of n X 4 0..7 arrays with no element x(i,j) adjacent to itself or value 7-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 4 5 and 6, 2 appearing before 3 4 and 5, and 3 appearing before 4 in row major order (unlabelled 8-colorings with no clashing color pairs).at n=4A233164