950272

Appears in sequences

• Numbers k such that d(k)^3 divides k.at n=15A046755
• Denominators in the Maclaurin series for arctan(1+x).at n=28A075554
• a(n) = (2*n + 1) * 2^(n + 1).at n=14A118417
• a(n) = n-th integer from among those positive integers with an exponent of n in their prime-factorizations.at n=14A123904
• a(n) = n*2^floor((n+1)/2).at n=29A132314
• T(n,k) = numerator of 2*Pi*Sum_{j=0..n-k-1} ((-1)^j*n*(k + j + 2)*(n + k +j)!*(k + j)!^2)/((n - k - j - 1)!*(2*k + j + 1)!*j!*Gamma(k + j + 3/2)*Gamma(k + j + 5/2)), triangle read by rows (n >= 1, 0 <= k <= n - 1).at n=18A159982
• a(n) = (n/4)*2^(n/2)*((1+sqrt(2))^2 + (-1)^n*(1-sqrt(2))^2).at n=29A187272
• Lexicographically earliest sequence such that (i) the binary plot of the sequence is symmetric with respect to the line y=x and (ii) the derived sequence (A000265(a(n))) contains only distinct terms.at n=16A240972
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 315", based on the 5-celled von Neumann neighborhood.at n=22A281046
• Numbers k such that 2^phi(k) == phi(k)^2 (mod k^2).at n=15A319314
• a(n) is the least number with n prime factors (counted with multiplicity) that is the concatenation of two primes.at n=15A374669