-273

Appears in sequences

• Percolation series for directed b.c.c. lattice.at n=16A006838
• Expansion of e.g.f.: tanh(tan(x))*exp(x).at n=7A009810
• Expansion of e.g.f.: exp(sin(x)-tan(x))=1-3/3!*x^3-15/5!*x^5+90/6!*x^6-273/7!*x^7...at n=7A013351
• sin(sin(x)-tan(x))=-3/3!*x^3-15/5!*x^5-273/7!*x^7-375/9!*x^9...at n=2A013352
• arctan(sin(x)-tan(x))=-3/3!*x^3-15/5!*x^5-273/7!*x^7+7185/9!*x^9...at n=2A013354
• Signed Fibonomial triangle.at n=42A055870
• Signed Fibonomial triangle.at n=38A055870
• Generalized sum of divisors function: third diagonal of A060044.at n=20A060045
• McKay-Thompson series of class 18D for the Monster group.at n=64A062242
• McKay-Thompson series of class 36B for the Monster group.at n=64A062244
• Expansion of 1/((1-x)*(1+x+2*x^2+x^3)).at n=23A077913
• Expansion of 1/((1-x)*(1+2*x+x^2+2*x^3)).at n=9A077931
• Coefficients of the B-Rogers-Selberg identity.at n=47A104409
• Coefficients of the C-Rogers-Selberg identity.at n=39A104410
• Inverse of Riordan array (1/(1-x), x/(1-x)^3), A109955.at n=15A109956
• Ninth convolution of A115140.at n=12A115148
• a(n) = -a(n-6) + 3*a(n-5) + a(n-4) - 7*a(n-3) + a(n-2) + 3*a(n-1).at n=11A122504
• Expansion of f(-x^2)^2 * f(x, x^2) / f(-x^3)^3 in powers of x where f(,) is a Ramanujan theta function.at n=32A132179
• Expansion of reversion of (x - 2*x^2) / (1 - x)^3.at n=9A134565
• Expansion of q^(-3/4) * eta(q)^2 * eta(q^2)^4 * eta(q^8)^4 / eta(q^4)^6 in powers of q.at n=14A135467