36890

Appears in sequences

• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n is neither a prime, nor a true power of prime and n is squarefree. Squarefree solutions of A071140.at n=32A071141
• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n has exactly 5 distinct prime factors and n is squarefree.at n=8A071144
• Squarefree numbers k such that the largest prime factor of k is equal to the sum of the other prime factors of k.at n=31A071312
• Number of fixed polypons with n cells (division into triangles is significant).at n=14A196993
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+5x+5y>0.at n=21A211627
• Degrees of irreducible representations of orthogonal group O10+(2).at n=20A214472
• Numbers n such that n = x + y, sigma_1(n) = sigma_1(x) + sigma_1(y) and sigma_2(n) = sigma_2(x) + sigma_2(y).at n=23A219033
• Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that min(x(i) - x(i-1)) is not a part of p.at n=40A241761
• a(n) = n*(n + 1)*(4*n - 1)/3.at n=30A268684
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 267", based on the 5-celled von Neumann neighborhood.at n=37A271085
• a(n) = k if the first appearance of n in A077618 is at index k, or 0 if k does not appear in A077618.at n=39A291056
• a(n) = n*(n + 1)*(n^2 + n + 22)/24.at n=30A318054
• Numbers that are the sum of four third powers in exactly seven ways.at n=29A345151
• Sum of numerator and denominator in a rational approximation j/k of q = log(2)/log(3), such that abs(j/k - q) is a new minimum.at n=24A355513
• Sum of numerator and denominator in a rational approximation j/k of q = log(2)/log(3), such that q - j/k is a new minimum, i.e., q is approximated from below.at n=32A355514
• Numbers k such that omega(k) = 5 and the largest prime factor of k equals the sum of its remaining distinct prime factors, where omega(k) = A001221(k).at n=22A383729