88452

Appears in sequences

• Degrees of irreducible representations of Suzuki group Suz.at n=29A003902
• Theta series of A_8 lattice.at n=10A008448
• a(n) = n^2*(n^2 - 1)/6.at n=27A008911
• Expansion of 1/((1-3*x)*(1-9*x)).at n=5A016142
• Expansion of Product_{m>=1} (1+m*q^m)^-18.at n=8A022710
• Aliquot sequence starting at 1521.at n=10A074906
• Infinite lower triangular matrix, M, that satisfies [M^3](i,j) = M(i+1,j+1) for all i,j>=0 where [M^n](i,j) denotes the element at row i, column j, of the n-th power of matrix M, with M(0,k)=1 and M(k,k)=1 for all k>=0.at n=33A078122
• Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in cycle of length=11.at n=1A096888
• a(n) = index of first appearance of n in A096859.at n=22A097007
• Series expansion of (eta(q^9) / eta(q))^3 in powers of q.at n=17A121589
• Expansion of (eta(q)eta(q^9)/eta(q^3)^2)^6 in powers of q.at n=17A121592
• Triangle read by rows: T(n,k) is number of hex trees with n edges and k nonroot nodes of outdegree 2.at n=22A126183
• a(n) = (9/2)*(n-1)*(n-2)*(n-3).at n=28A134171
• Pentagonal numbers > 0 which are not the difference of two other pentagonal numbers > 0.at n=18A135769
• Pentagonal numbers > 0 which are not the difference of two larger pentagonal numbers.at n=26A136113
• a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 7.at n=8A160895
• Expansion of x^2/((3*x-1)*(3*x^2-1)).at n=12A167993
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-3.at n=23A180293
• a(0)=0, a(1)=1, a(2n)=17*a(n), a(2n+1)=a(2n)+1.at n=27A197351
• Least Niven number for all bases from 1 to n but not for base n+1.at n=19A225427