958003200

Appears in sequences

• Expansion of e.g.f. (2 + x)/(1 - x^2).at n=12A052566
• E.g.f. (2+x+x^2)/((1-x)(1+x+x^2)).at n=12A052579
• E.g.f. (2+x+x^2+x^3)/(1-x^4).at n=12A052621
• Expansion of e.g.f. (2+x^3-x^4)/(1-x).at n=12A052628
• Expansion of e.g.f. x^2*(2+x-x^2)/(1-x).at n=12A052642
• E.g.f. 2*x^2*(1+x-x^2)/(1-x).at n=12A052645
• E.g.f. (1-x)/(1-x-x^3-x^4+x^5).at n=11A052651
• Expansion of e.g.f. 2*x^4/(1-x).at n=12A052683
• Expansion of e.g.f. 1/(1-x^3-x^4).at n=12A052697
• a(0) = 0; a(n) = 2*n! (n >= 1).at n=12A052849
• Square root of largest square dividing n!.at n=23A055772
• Denominator of "modified Bernoulli number" b(2n) = Bernoulli(2*n)/(4*n*(2*n)!).at n=4A057868
• Denominator of the coefficient of x^n in log(-log(1-x)/x).at n=9A075267
• The Hirzebruch numbers. a(n) = Product_{2 <= p <= n+1, p prime} p^floor(n / (p - 1)).at n=11A091137
• 1/1, 2*3/lcm(2,3), 4*5*6/lcm(4,5,6), 7*8*9*10/lcm(7,8,9,10), ...at n=15A093453
• Expansion of e.g.f. (1+x)/(1-x).at n=12A098558
• Large denominators of Bernoulli numbers. Mix A002445, 2*A141421 .at n=11A165823
• Table T(n,m) read by rows: the coefficient of [t^n x^m] of 2*n!*(n+2)!*exp(x*t)*( t*(1-exp(t))-exp(t) ) / (1-exp(t) ), 0<=m<=n+1.at n=70A176990
• Number of permutations of n > 1 having exactly 2 points on the boundary of their bounding square.at n=12A208529
• Denominators of the expected length of a random cycle in a random permutation.at n=11A232248