-5741

Appears in sequences

• Numerators of coefficients for repeated integration.at n=7A002687
• Expansion of 2+(1-2*x)/(-1+2*x+x^2).at n=12A176981
• Triangle, read by rows, where T(n,k) is defined for n>=1, k=1..2*n-1, by a formula analogous to the second-order Eulerian triangle A008517.at n=41A219120
• a(n+8)+34*a(n+4)+a(n)=0 with a(0)-a(7) as shown.at n=10A259861
• Rectangular array: A(n,k) = Sum_{j=0..k} (-1)^floor(j/2)*binomial(k-floor((j+1)/2), floor(j/2))*(-n)^(k-j), n >= 1, k >= 0, read by antidiagonals.at n=60A299045
• E.g.f. A(x) satisfies A(x) = 1/( 1 - sin(x * A(x)^(1/2)) / A(x)^(1/2) ).at n=7A381306