24006

Appears in sequences

• Coordination sequence for MgNi2, Position Ni1.at n=38A009933
• Limiting number of m X m binary matrices with m+n ones, with no zero rows or columns, up to row and column permutations, as m tends to infinity.at n=6A057152
• Expansion of (1-x)/(1+x+2*x^2+x^3).at n=36A078051
• a(n) = sigma_3(n) - sigma_2(n) - sigma_1(n).at n=27A092350
• Composite numbers, not ending with 0, sharing a 3-digit sequence with some of its prime factors.at n=27A131523
• a(0)=0, a(1)=1, a(2)=2 and a(n) = a(n-1) - 2a(n-2) + a(n-3).at n=37A166117
• Numbers n such that if n = a U b (where U denotes concatenation) then abs(sigma*(a) - sigma*(b)) = abs(sigma*(n) - n), where sigma*(n) is the sum of the anti-divisors of n.at n=11A239687
• Numbers n such that n*2^2203 - 1 is prime.at n=28A265503
• Zero together with the partial sums of A064412.at n=21A275112
• Number of integer compositions of n whose leaders of maximal weakly increasing runs are not weakly decreasing.at n=17A374636