-642

Appears in sequences

• Partition function coefficients for square lattice spin 1 Ising model.at n=19A010107
• McKay-Thompson series of class 24d for Monster.at n=65A058587
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 9.at n=35A060028
• Matrix inverse of triangle A122177, where A122177(n,k) = C( k*(k+1)/2 + n-k + 2, n-k) for n>=k>=0.at n=24A121437
• Output of Knuth's "man or boy" test for varying k.at n=13A132343
• Expansion of g.f.: 2^(floor((n+1)/2))*n!*(1-y)^(n+1)*f(x, y, m), where f(x, y, m) = 2^(m+1)*exp(2^m*t)/((1-y*exp(t))*(1 + (2^(m+1)-1)*exp(2^m*t))), and m = 1.at n=19A171695
• A symmetrical triangle:q=4;c(n,q)=Product[1 - q^i, {i, 1, n}];t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1.at n=22A176469
• A symmetrical triangle:q=4;c(n,q)=Product[1 - q^i, {i, 1, n}];t(n,m,q)=A060187(n,m)-c(n,q)/(c(m,q)*c(n-m,q))+1.at n=26A176469
• Product_{n>=1} (1 + x^n)^a(n) = 1 + Sum_{n>=1} x^prime(n).at n=55A328777
• G.f.: 1/(1 + (x+x^2 + x)/(1 + (x+x^2 + x^2)/(1 + (x+x^2 + x^3)/(1 + (x+x^2 + x^4)/(1 + ...))))), a continued fraction.at n=10A352234
• Values of L(2^n), where L(n) is the summatory function of the Liouville function A008836(n).at n=19A390483