1227133513

Appears in sequences

• Divisors of 2^33 - 1.at n=14A003540
• Cyclotomic polynomials at x=8.at n=11A019326
• Cyclotomic polynomials at x=-8.at n=22A020507
• 11th cyclotomic polynomial evaluated at powers of 2.at n=3A020519
• Gaussian binomial coefficients [ n,10 ] for q = 8.at n=1A022250
• a(n) = (8^n - 1)/7.at n=11A023001
• a(n) = floor(2^(n+2)/7).at n=30A033138
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2.at n=15A037497
• a(n) = Sum_{j=0..10} n^j.at n=8A060885
• Numbers of the form (8^{mr}-1)/(8^r-1) for positive integers m, r.at n=27A076287
• Expansion of 1/(1 - x - x^2 - 2*x^3).at n=31A077947
• Expansion of (1-x)/(1 - x - x^2 - 2*x^3).at n=32A078010
• Smallest base-2 Fermat pseudoprime x that has ord(2,x) = n, or 0 if one does not exist.at n=32A086250
• A023001 interleaved with 2*A023001 and 4*A023001.at n=33A155803
• Number of nonzero elements in GF(2^n) that are 7th powers.at n=32A213245
• Number of (n+1) X (1+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.at n=31A263366
• a(n) = a(n-1) + 2*a(n-2) if n even, or 3*a(n-1) + 4*a(n-2) if n odd, starting with 0, 1.at n=22A299913