-353

Appears in sequences

• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=31A060024
• a(n) = mu(n)*prime(n).at n=70A062007
• Expansion of (1-x)^(-1)/(1-x+2*x^2-x^3).at n=31A077875
• Expansion of 1/(1 - x^2 - x^3 + x^4).at n=65A077905
• Numerator of coefficient in the interpolation polynomial for initial values of the factorial, read by rows.at n=18A103361
• Binomial transform of Mertens's function sequence A002321.at n=8A106397
• a(n) = (1/2+1/2*i*sqrt(11))^n + (1/2-1/2*i*sqrt(11))^n, where i=sqrt(-1).at n=15A131040
• A transform of the Fibonacci numbers.at n=6A141342
• Coefficients of modular function denoted G_5(tau) by Atkin.at n=12A186210
• Expansion of (1-3*x+x^3)/(1-2*x-x^2+x^3).at n=9A199853
• Values of n such that L(1) and N(1) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=31A226921
• Expansion of Product_{k>=1} ((1 + x^(2*k-1))/(1 + x^(2*k)))^k.at n=38A296047
• Expansion of Sum_{k>=0} x^k / Product_{j=1..k} (1 + j*x^j).at n=22A306702
• a(0) = 0, a(n) = -5*a(n/3) if n is divisible by 3, otherwise a(n) = n + a(n-1).at n=59A318488
• a(n) = A134028(A323782(n)): Primes and negated primes such that the reverse of the balanced ternary representation is a prime.at n=21A323783
• a(n) = -n^2 + 21*n - 1.at n=31A332884
• G.f.: (1/(1 + x)) * Product_{k>=1} 1/(1 + x^prime(k)).at n=41A338826
• a(n) = A325977(A228058(n)).at n=24A389217