-167

Appears in sequences

• Expansion of tanh(x)/cos(sin(x)).at n=3A009840
• Expansion of (eta(q) / eta(q^7))^4 in powers of q.at n=20A030181
• Coefficient of x^(-n) in expansion of continued fraction 0, x, x^2, x^3, x^4, ... .at n=36A049346
• McKay-Thompson series of class 7B for the Monster group.at n=20A052240
• Signed distance of primes from LCM(1,...,x) being closest to it. Arguments x were selected from A000961 (powers of primes including primes) in order to use distinct values of LCM exactly once. When both closest primes are in the same distance, then negative were used.at n=48A058030
• McKay-Thompson series of class 46A for the Monster group.at n=55A058688
• 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=38A073579
• a(n) = 1/2 + (1-6*n)*(-1)^n/2.at n=56A084060
• a(n) = a(n-1) + a(n-3) + a(n-4), n >= 4, with initial terms 1,1,-2,-1.at n=16A111571
• McKay-Thompson series of class 60a for the Monster group.at n=75A112200
• G.f. A(x) satisfies: A(x)^2 equals the g.f. of A110630, which consists entirely of numbers 1 through 4.at n=18A112570
• Expansion of q^(-1/3) * b(q) * c(q) * b(q^2) / 3 in powers of q where b(), c() are cubic AGM theta functions.at n=40A116418
• Semiprime(n)*semiprime(n+3) - semiprime(n+1)*semiprime(n+2), where semiprime(n) is the n-th semiprime.at n=50A118780
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118821.at n=72A118823
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118824.at n=72A118826
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118827.at n=72A118829
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118830.at n=72A118832
• a(n) = -n^2 + 9*n + 53.at n=20A126665
• a(n) = -n^2 + 9*n + 23.at n=19A126719
• Numerators of z-sequence for the Sheffer matrix (triangle) A094816 (coefficients of Poisson-Charlier polynomials).at n=5A130189