-171

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^9.at n=13A010817
• Stirling numbers of first kind S1(19,n).at n=17A011529
• Expansion of Product_{m>=1} (1 - m*q^m)^9.at n=4A022669
• A variation on A056223.at n=59A051171
• n - reversal of base 20 digits of n (written in base 10).at n=30A055967
• n - reversal of base 20 digits of n (written in base 10).at n=51A055967
• Low-temperature magnetization expansion for hexagonal lattice (Potts model, q=3).at n=14A057382
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=26A060024
• (3*a(n)+1)/2^(2*n + 1) = 23-6*n.at n=4A072251
• Expansion of 1/(1 + x + 2*x^2 + 2*x^3).at n=17A077980
• Expansion of (1-x)/(1-x+x^3).at n=40A078013
• 4th differences of partition numbers A000041.at n=51A081094
• 4th differences of partition numbers A000041.at n=53A081094
• First order recursion: a(0) = 1; a(n) = phi(n) - a(n-1) = A000010(n) - a(n-1).at n=42A083239
• Expansion of (1 + 4*x)/(1 + 7*x + 16*x^2).at n=4A087170
• Triangle T(n,k), read by rows, formed by setting all entries in the zeroth column and in the main diagonal ((n,n) entries) to 1 and defining the rest of the entries by the recursion T(n,k) = T(n-1,k) - T(n,k-1).at n=69A096470
• Expansion of 1/(1 - x + 4*x^2).at n=8A106853
• Second column of number triangle A110245.at n=25A110246
• Let qf(a,q) = Product(1-a*q^j,j=0..infinity); g.f. is qf(q^3,q^7)*qf(q^5,q^7)*qf(q^6,q^7)/(qf(q,q^7)*qf(q^2,q^7)*qf(q^4,q^7)).at n=84A111376
• Coefficients in asymptotic expansion of probability that a random pair of elements from the alternating group A_k generates all of A_k.at n=5A113869