11184810

Appears in sequences

• a(2n) = 2*a(2n-1), a(2n+1) = 2*a(2n)+1 (also a(n) is the n-th number without consecutive equal binary digits).at n=24A000975
• a(n) = a(n-1) + 2*a(n-2) with a(0)=0, a(1)=2.at n=24A014113
• a(n) = (2/3)*(4^n-1).at n=12A020988
• a(n) = C(n,2) + C(n,5) + ... + C(n, 3*floor(n/3)+2).at n=25A024495
• a(n) = a(n-1) + 2*a(n-2) + 2, for n>=3, where a(0)= 1, a(1)= 2, a(2)= 4.at n=23A026644
• Numbers that are repdigits in base 4.at n=35A048329
• Numerator of the expected time to finish a random Tower of Hanoi problem with n disks using optimal moves.at n=24A060590
• Number of 132 and 213-avoiding derangements of {1,2,...,n}.at n=25A061547
• Sequence A075166 interpreted as binary numbers and converted to decimal.at n=36A075165
• List of codewords in binary lexicode with Hamming distance 12 written as decimal numbers.at n=19A075952
• Expansion of (1 - x)/((1 + x)*(1 - 2*x)).at n=25A078008
• a(n) = 2^n - A081374(n).at n=23A083322
• Duplicate of A020988.at n=12A084180
• Partial sums of a Jacobsthal related sequence.at n=24A084184
• Binomial transform of (-1)^mod(n,3) (A257075).at n=25A086953
• Smallest numbers having in binary representation exactly n maximal groups of consecutive zeros.at n=12A087120
• a(n) is the smallest number such that the exponent of p=2 factor in 6*a(n)+4 equals n.at n=25A087231
• Generalized multiplicative Jacobsthal sequence.at n=25A087464
• Numbers for which rotating one binary place to the right less rotating one binary place to the left is equal to zero.at n=35A088163
• Numbers n which when converted to base 8, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded.at n=32A091082