-601

Appears in sequences

• Coefficients of the B-Rogers-Selberg identity.at n=55A104409
• McKay-Thompson series of class 40d for the Monster group.at n=61A112182
• Expansion of (1/3) * b(q) * b(q^2) * c(q)^2 / c(q^2) in powers of q where b(), c() are cubic AGM functions.at n=25A132000
• Triangle T(n,m) of the coefficients [x^m] of the polynomial ((x-1)*(x+2)*(x+1))^n, 0<=m<=3n.at n=40A166235
• Irregular array read by rows in which row n lists the integers k, in ascending order, for which there is a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function.at n=18A226619
• Expansion of f(-x)^11 / f(-x^3) + 27 * x * f(-x^3)^11 / f(-x) in powers of x where f() is a Ramanujan theta function.at n=6A258724
• Numerators of poly-Bernoulli numbers B_n^(k) with k=6.at n=2A283923
• a(n) = [x^n] Product_{k=1..n} 1/(1 + x^k)^(n-k+1).at n=7A303174
• G.f.: x / (Sum_{k>=1} k * x^k / (1 + x^k)).at n=12A335227
• Expansion of the exponential generating function sqrt(4*exp(x) - exp(2*x) - 2) - 1.at n=6A383986