61952

Appears in sequences

• Numbers whose prime factors are 2 and 11.at n=27A033848
• Numbers k that divide the number of partitions of k into distinct parts (A000009).at n=19A056848
• The lexicographically last sequence of binary encodings of solutions satisfying the equation given in A059871.at n=15A059875
• Numbers k such that Sum_{i=1..k} gcd(k,i) divides Sum_{i=1..k} lcm(k,i).at n=15A072109
• Numbers of the form (8^i)*(11^j), with i, j >= 0.at n=17A107788
• Triangle, read by rows, equal to the matrix square of A113370. Also given by the product: P^2 = Q*(R^-2)*Q^3, using triangular matrices P=A113370, Q=A113381 and R=A113389.at n=41A113374
• Triangle, read by rows, given by the product R^3*P^-1 using triangular matrices P=A113370, R=A113389.at n=32A114152
• Expansion of (1 -2*x +4*x^2 -22*x^3 +6*x^4 +268*x^5 -854*x^6 +3596*x^7 -3100*x^8)/((1 -2*x)/(1 -2*x -4*x^2)).at n=9A115109
• Expansion of 1/(8*x^5+8*x^4-8*x^3-4*x^2+1).at n=14A123959
• Numbers which can be expressed as the product of numbers made of only eights.at n=15A161146
• Number of ways of arranging the numbers 1 through n on a circle so that no sum of two adjacent numbers is prime, up to rotations and reflections.at n=11A182540
• Number of ways (up to rotations and reflections) of arranging numbers 1 through 2n around a circle such that the sum of each pair of adjacent numbers is composite.at n=5A191374
• Numbers such that the sum of the cube of the odd divisors is prime.at n=23A195332
• a(n) = sigma(2*n^4) - sigma(n^4).at n=11A224903
• Numbers k such that sigma(k) + tau(k) + phi(k) is a prime, where sigma(k) = A000203(k), tau(k) = A000005(k) and phi(k) = A000010(k).at n=17A229265
• 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 606", based on the 5-celled von Neumann neighborhood.at n=15A289892
• 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 734", based on the 5-celled von Neumann neighborhood.at n=15A290213
• Numbers that are divisible by the total number of 1's in both the Zeckendorf and the dual Zeckendorf representations of all their divisors (A300837 and A333618).at n=24A333621
• Numbers k with property that k is the least logarithmically smooth numbers (meaning largest prime factor of k is less than log(k)) having squarefree kernel equal to squarefree kernel of k.at n=20A333961
• Numbers k such that k, k^2-1 and k^2+1 are all fine, where a number m is fine if its prime factors are all less than m^(1/3).at n=13A345896