167772160

Appears in sequences

• a(n) = 10*4^n.at n=12A002066
• Coefficients for numerical differentiation.at n=7A002553
• a(n) = 5 * 2^n.at n=25A020714
• a(n) = (9*2^n + (-2)^n)/4 for n>0.at n=25A056486
• a(n) is the smallest number such that a(n)+1 is a prime and the largest power of 2 which divides it is 2^n.at n=25A057777
• a(n) = (n+1)*2^(n+4).at n=20A059165
• The table of permutations of N, each row induced by the rotation (to the left) of the n-th node in the infinite binary "decimal" fraction tree.at n=40A065659
• Permutation of N induced by rotating the node 5 left in the infinite planar binary tree shown at A065658.at n=4A065669
• Composites of form prime-1 containing a record number of prime factors.at n=21A066632
• a(i) = the number of occurrences of 9's in the palindromic compositions of n=2*i-1 = the number of occurrences of 10's in the palindromic compositions of n=2*i.at n=22A079862
• 4th binomial transform of (1,3,0,0,0,0,0,.....).at n=12A081039
• Expansion of g.f.: (1+x^2)/(1-2*x).at n=27A084215
• Number of subsets of {1, ..., n} containing exactly one twin prime pair.at n=33A089882
• Number of subsets of {1,.., n} containing exactly one square.at n=29A089889
• Number of subsets of {1,.., n} containing exactly two squares.at n=28A089890
• Expansion of g.f. (1 - x)^2*(1 + x) / (1 - 2*x)^2.at n=24A106472
• Binomial transform of A010685.at n=26A146523
• Number of binary strings of length n with equal numbers of 001 and 100 substrings.at n=28A164143
• Inverse binomial transform of A166517.at n=27A166577
• Denominators of partial products of a Hardy-Littlewood constant.at n=15A191999