-298

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^12.at n=18A000735
• a(n) = floor(Sum_{k=0..n} tan(k)).at n=48A051508
• a(n) = round(Sum_{k=0..n} tan(k)).at n=39A051509
• a(n) = round(Sum_{k=0..n} tan(k)).at n=43A051509
• a(n) = round(Sum_{k=0..n} tan(k)).at n=44A051509
• a(n) = round(Sum_{k=0..n} tan(k)).at n=48A051509
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=39A051510
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=43A051510
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=44A051510
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=46A051510
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=47A051510
• McKay-Thompson series of class 42B for Monster.at n=55A058672
• Inverse binomial transform of A010054 (1 if triangular number else 0).at n=11A093523
• Matrix inverse of triangle A099602, read by rows, where row n of A099602 equals the inverse binomial transform of column n of the triangle of trinomial coefficients (A027907).at n=51A104495
• Expansion of sqrt(1-4x)/(1-x^2).at n=7A106192
• Expansion of (1 - x + 2*x^2) / (1 - x^3 + x^4).at n=32A110062
• A coefficient tree from the list partition transform relating A111884, A084358, A000262, A094587, A128229 and A131758.at n=18A131202
• a(n) = 1 + 3*n - 2*n^2.at n=13A168244
• Coefficient array for orthogonal polynomials P(n,x)=x*P(n-1,x)-(2*floor((n+2)/2)-3)*P(n-2,x), P(0,x)=1,P(1,x)=x.at n=38A178107
• a(n) = 2*sigma(n^2) - sigma(n)^2.at n=23A195735