-302
domain: Z
Appears in sequences
- 8th differences of primes.at n=39A036269
- a(n) = floor(Sum_{k=0..n} tan(k)).at n=36A051508
- a(n) = floor(Sum_{k=0..n} tan(k)).at n=38A051508
- a(n) = floor(Sum_{k=0..n} tan(k)).at n=50A051508
- a(n) = round(Sum_{k=0..n} tan(k)).at n=37A051509
- a(n) = round(Sum_{k=0..n} tan(k)).at n=38A051509
- a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=37A051510
- Expansion of g.f. Product_{n>=1} (1-x^n)*(1-x^(5*n))/(1-x^(3*n))^2.at n=31A054274
- Hankel transform of Moebius function A008683.at n=12A056227
- McKay-Thompson series of class 20e for Monster.at n=57A058560
- (Product of primes <= n) - 2^(n-1).at n=9A068511
- Alternating sum sigma(1)-sigma(2)+sigma(3)-sigma(4)+...+((-1)^(n+1))*sigma(n).at n=40A068762
- Let f(n) = A004001(n)^2 - A005185(n)^2. Then a(n) = f(abs(f(n-1))) + f(abs(n - f(n-1))).at n=41A121459
- Triangle read by rows: imaginary part of polylog expansion of Eulerian numbers: p(x,n) = (1 - I*x)^(n + 1)*PolyLog(-n, I*x)/x.at n=18A143197
- Numerator of Hermite(n, 3/13).at n=2A159494
- Numerator of Hermite(n, 17/27).at n=2A160146
- a(n) = (-4*n^3 + 27*n^2 - 20*n + 3)/3.at n=9A161711
- Triangle (read by rows) of coefficients of the polynomials (in ascending order) of the denominators of the generalized sequence of fractions f(n) defined recursively by f(1) = m/1; f(n+1) is chosen so that the sum and the product of the first n terms of the sequence are equal.at n=27A225200
- G.f.: Product_{k>0} (1 - x^k)^4 * (1 - (-x)^k)^8.at n=8A225543
- G.f.: x^((k^2+k)/2)/(mul(1-x^i,i=1..k)*mul(1+x^r,r=1..oo)) with k = 4.at n=53A246583