52224

Appears in sequences

• a(n) = (2*n - 13)*n^2.at n=32A015246
• Droll numbers: numbers > 1 whose sum of even prime factors equals the sum of odd prime factors.at n=14A019507
• a(n) = Xpower(n,5).at n=12A048734
• Scaled Chebyshev U-polynomials evaluated at i. Generalized Fibonacci sequence.at n=7A057087
• Dimensions of graded algebra associated with forest meanders.at n=4A060198
• Number of flips between the d-dimensional tilings of the unary zonotope Z(D,d). Here d=9 and D varies.at n=3A060619
• Number of flips between the d-dimensional tilings of the unary zonotope Z(D,d). Here the codimension D-d is equal to 3 and d varies.at n=9A060621
• 12-almost primes (generalization of semiprimes).at n=28A069273
• Solutions to phi(gpf(x)) - gpf(phi(x)) = 14 = c are special multiples of 17, x = 17k, where greatest prime factors of factor k were observed from {2, 3, 5}, i.e., it is smaller than 17. See solutions to other even cases of c (=A070813): A007283 for 0, A070004 for 2, A070815 for 254, A070816 for 65534. Gpf = greatest prime factor.at n=40A070814
• Numbers k such that phi(k) is a perfect 7th power.at n=22A078167
• Expansion of (1-3x+4x^2-3x^3+x^4)/(1-2x)^2.at n=14A084861
• Slowest increasing and self-describing sequence: first 2 digits are prime digits, followed by 3 composite digits, then 4 prime digits, then 6 composite digits, then 8 prime, then 2 composite, then 2 prime, etc.at n=35A105808
• Expansion of ((1+x)/(1-2x))^2.at n=11A113070
• a(n) = binomial(n+2,3)*4^3.at n=15A141478
• Numbers with 44 divisors.at n=6A175751
• Expansion of 1/(1-2*x^2-4*x^3). (2,4)-Padovan sequence.at n=17A176739
• Constant term of the reduction (by x^2->x+1) of polynomial p(n,x) identified in Comments.at n=9A192350
• Decimal equivalents of A268229.at n=10A268230
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 20", based on the 5-celled von Neumann neighborhood.at n=20A285480
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 126", based on the 5-celled von Neumann neighborhood.at n=20A285944