-279

Appears in sequences

• Expansion of e.g.f.: exp(sin(x))/exp(x).at n=9A009209
• Expansion of exp(tanh(tan(x))).at n=7A009260
• Expansion of e.g.f.: exp(x)/cosh(log(1+x)).at n=8A009294
• a(n) = a(n-1) - a(n-3) with a(1)=0, a(2)=0, a(3)=1.at n=44A050935
• McKay-Thompson series of class 15B for Monster.at n=26A058509
• Sum_{k=1..n} p(k)*mu(k).at n=31A062820
• Sum_{k=1..n} p(k)*mu(k).at n=30A062820
• A measure of how close the golden ratio is to rational numbers.at n=36A066212
• Expansion of 1/(1-x+2*x^2-x^3) in powers of x.at n=21A077954
• Expansion of 1/(1+x+2*x^2-2*x^3).at n=11A077977
• Expansion of (1-x)/(1+x-x^2-2*x^3).at n=23A078041
• a(n) = T(n)^2-n!, where T(n) is the n-th triangular number.at n=5A083474
• Triangle of coefficients of powers of e^2 in numerators of Sum_{k>=1} {1 / (1 + k^2*Pi^2)^n}.at n=13A085470
• McKay-Thompson series of class 24f for the Monster group with a(0) = -2.at n=26A093067
• a(n) = Sum_{k=0..n} A105595(k)*(-1)^k*A105595(n-k) (interpolated zeros suppressed).at n=30A105596
• Expansion of 1/(1-x*(1-5*x)).at n=7A106854
• Coefficients of x/(1+3*x+3*x^2-x^3).at n=9A108369
• The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0<r<=n. e.g. the row corresponding to 4 contains 4, (3+2),{(1) +(0)+(-1)}, {(-2)+(-3)+(-4)+(-5)} ----> 4,5,0,-14 1 2 1 3 3 -3 4 5 0 -14 5 7 3 -10 -35 6 9 6 -6 -30 -69 ... Sequence contains the array by rows.at n=44A110425
• The r-th term of the n-th row of the following array contains the sum of r successively decreasing integers beginning from n. 0 < r <= n. Sequence contains the leading diagonal.at n=8A110427
• Coefficients of replicable function number 24e.at n=51A112163