299593

Appears in sequences

• Divisors of 2^21 - 1.at n=10A003530
• Numbers k that divide 8^k - 1.at n=14A014949
• Cyclotomic polynomials at x=8.at n=7A019326
• Number of steps from one unit vector to next in linear quantum cellular automata.at n=20A019542
• Cyclotomic polynomials at x=-8.at n=14A020507
• Sum of n-th powers of divisors of 64.at n=3A020516
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 8.at n=29A022172
• Triangle of Gaussian binomial coefficients [ n,k ] for q = 8.at n=34A022172
• Gaussian binomial coefficients [ n,6 ] for q = 8.at n=1A022246
• a(n) = (8^n - 1)/7.at n=7A023001
• a(n) = floor(2^(n+2)/7).at n=18A033138
• Duplicate of A020516.at n=3A034670
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2.at n=9A037497
• Numbers that are repdigits in base 8.at n=43A048333
• Table in which n-th row gives all partitions of n interpreted in base n+1. (A subset of A051849 with each term having a non-descending digit-sequence in base n+1).at n=43A051851
• a(n) = 1111111 in base n.at n=7A053716
• a(n) = (n^(n-1) - 1)/(n-1) for n>1, a(1) = 0.at n=7A060072
• Terms in the decimal expansion of 1/(7*5^n) before the block of decimals 142857 (the period of 1/7) appears.at n=20A067703
• Numbers of the form (8^{mr}-1)/(8^r-1) for positive integers m, r.at n=14A076287
• Smallest k > 0 such that n*k + 1 is an n-th power.at n=6A076943