-131

Appears in sequences

• Expansion of Product_{i>=1} (1-x^i)^(1/i); also of exp(- Sum_{n>=1}(d(n)*x^n/n)) where d(n) is the number of divisors of n.at n=6A028343
• Matrix 8th power of inverse partition triangle A038498.at n=36A050311
• Coefficients of the '6th-order' mock theta function gamma(q).at n=77A053274
• Coefficients of the '10th-order' mock theta function chi(q).at n=62A053284
• Hankel transform of number of divisors sequence (A000005).at n=11A056225
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 4.at n=27A060023
• Coefficients of polynomials ( (1 -x +sqrt(x))^n + (1 -x -sqrt(x))^n )/2.at n=60A061176
• Little Hankel transform of A002487.at n=42A070949
• Little Hankel transform of A002487.at n=50A070949
• Signed primes: if prime(n) even, a(n) = 0; if prime(n) == 1 (mod 4), a(n) = prime(n); if prime(n) == -1 (mod 4), a(n) = -prime(n).at n=31A073579
• Partial sums of A073579.at n=21A077039
• Expansion of (1-x)^(-1)/(1-2*x^2+x^3).at n=13A077880
• a(n) = 1/2 + (1-6*n)*(-1)^n/2.at n=44A084060
• Generalized Gaussian Fibonacci integers.at n=13A088137
• Expansion of 1/sqrt(1 - 2*x + 5*x^2).at n=10A098331
• Triangle, read by rows, equal to the right-hand side of the triangle A084610, with row n listing the coefficients of (1+x-x^2)^n: T(n,k) = [x^(n+k)] (1+x-x^2)^n, for n>=k>=0.at n=55A104505
• Diagonal sums of the Fibonacci related number triangle A110314.at n=22A110315
• Row sums of a number triangle related to the Pell numbers.at n=11A110331
• Diagonal sums of number a triangle related to the Pell numbers.at n=22A110332
• McKay-Thompson series of class 24G for the Monster group.at n=37A112161