-2250

Appears in sequences

• Tanh(tan(x)+log(x+1)) = 2*x - 1/2!*x^2 - 12/3!*x^3 + 42/4!*x^4 + 172/5!*x^5 - ...at n=6A012931
• Triangle, row sums = a signed, shifted version of A000587, the Rao Uppuluri-Carpenter numbers.at n=63A144185
• Expansion of q * chi(q^3) * chi(q^5) / (chi(q) * chi(q^15))^2 in powers of q where chi() is a Ramanujan theta function.at n=27A145786
• Triangle T, read by rows, where g.f. of row n of matrix power T^n = (n^3 + y)*y^(n-1) for n>=0.at n=25A152285
• Expansion of eta(q)^5 * eta(q^3) * eta(q^6)^4 / eta(q^2)^4 in powers of q.at n=41A214262
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = Pi/2.at n=11A279592
• Expansion of g.f. A(x) satisfying A(x) = A(x^2) - x*A(x^2)^2.at n=79A374571