95256

Appears in sequences

• A convolution triangle of numbers obtained from A034171.at n=22A035529
• Numbers k that can be expressed as k = w+x = y*z with w*x = k*(y+z) where w, x, y, and z are all positive integers.at n=43A057371
• Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.at n=33A074310
• Triangle read by rows in which row n gives coefficients of polynomial R_n(y) that satisfies R_n(1/3) = 3^n, where R_n(y) forms the initial (n+1) terms of g.f. A057083(y)^(n+1).at n=33A097186
• Triangle P, read by rows, that satisfies [P^3](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(3*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+1,1)=P(k+1,0) for k>=0.at n=24A111840
• Number of ways to place 2 nonattacking knights on an n X n toroidal board.at n=20A172529
• Number of ways to place 2 nonattacking kings on an n X n toroidal board.at n=20A179403
• Numbers with prime factorization p^2*q^3*r^5 where p, q, and r are distinct primes.at n=4A190470
• a(n) = product of numbers k <= sigma(n) such that k = sigma(d) for any divisor d of n where sigma = A000203.at n=19A206031
• a(n) = Product_{d|n} sigma(d) where sigma = A000203.at n=19A206032
• Numbers k such that the sum of prime factors of k (counted with multiplicity) equals five times the largest prime divisor of k.at n=39A212863
• Regular triangle where T(n,k) is the number of pairs of set partitions of {1,...,n} with join {{1,...,n}} and meet of length k.at n=31A318390
• Numbers with an even number of prime factors (counted with multiplicity) that can be factored into squarefree semiprimes (A320911) but cannot be factored into distinct semiprimes (A320892).at n=28A320893
• Triangular array read by rows: row n shows the coefficients of the polynomial p(x,n) constructed as in Comments; these polynomials form a strong divisibility sequence.at n=33A328644
• Numbers k >= 1 such that A018804(k) divided by A000203(k) is an integer.at n=35A349726
• Expansion of e.g.f. exp(f(x) - 1) where f(x) = (1 - x)^x = e.g.f. for A007114.at n=9A354610
• Record values in A085908.at n=26A376280
• Primitive coreful-infinitary abundant numbers: powerful numbers k for which A363331(k) > 2*k.at n=33A391505