-502

Appears in sequences

• Partition function coefficients for square lattice spin 2 Ising model.at n=39A010108
• Expansion of Product_{m>=1} (1+m*q^m)^(-10).at n=5A022702
• 10th differences of primes.at n=11A036271
• Expansion of chi(x) / phi(x^2) in powers of x where phi(), chi() are Ramanujan theta functions.at n=22A085261
• Riordan array (1/(1+2x), x/(1+x)).at n=47A103316
• Expansion of (1-x-2*x^2)/(1-x^2+x^3).at n=27A109248
• Inverse of a triangle of pyramidal numbers.at n=37A110814
• Expansion of a(q) * f(-q)^4 where f() is a Ramanujan theta function and a() is a cubic AGM function.at n=58A152243
• Triangle read by rows: T(n,0) = n+1, T(n,k) = 2*T(n-1,k) - T(n-1,k-1), T(n,k) = 0 if k > n and if k < 0.at n=37A159856
• Riordan array T((1-x)^(-2) | 2x-1) read by rows.at n=28A181690
• Numerators of coefficients in expansion of x/((x^2+1)*arctan(x)), even powers only.at n=3A216254
• Triangle T(n, k) = Sum_{j=0..k} (-1)^(k-j)*A159041(2*n+1, j), read by rows.at n=10A225483
• Triangle T(n, k) = Sum_{j=0..k} (-1)^(k-j)*A159041(2*n+1, j), read by rows.at n=14A225483
• Expansion of f(-x, -x) * f(-x^3, -x^15) / f(-x^6, -x^12)^2 in powers of x where f(,) is Ramanujan's general theta function.at n=51A261251
• Expansion of f(-x^3) * f(-x^6) / (f(x) * f(-x^4)) in powers of x where f() is a Ramanujan theta function.at n=17A261252
• Expansion of q^(-2/5) * r(q)^2 * (1 + r(q) * r(q^2)^2) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=44A285441
• Expansion of Product_{k>=1} 1/(1 + x^k)^p(k), where p(k) = number of partitions of k (A000041).at n=19A304784
• a(n) = reverse(10*n - a(n-1)), with n>1, a(1) = 1.at n=38A339141
• G.f. satisfies A(x) = exp( Sum_{k>=1} ((-3)^k + A(x^k)) * x^k/k ).at n=7A363579
• Expansion of 1/(1 - x*(1 + 4*x)^(1/2))^2.at n=9A382647