-306

Appears in sequences

• High temperature series for spin-1/2 Heisenberg specific heat on 2D hexagonal lattice.at n=3A005400
• 9th differences of primes.at n=49A036270
• a(n) = round(Sum_{k=0..n} tan(k)).at n=52A051509
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=52A051510
• McKay-Thompson series of class 16e for the Monster group.at n=34A058526
• McKay-Thompson series of class 30A for Monster.at n=37A058612
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 5.at n=30A060024
• Determinant of rank n matrix of 1..n^2 filled successively along antidiagonals.at n=33A069480
• McKay-Thompson series of class 16d for the Monster group.at n=37A082304
• Matrix inverse of triangle A104505, which is the right-hand side of triangle A084610 of coefficients in (1 + x - x^2)^n.at n=46A104509
• Expansion of x*(1-x)/(1-x+2*x^3-x^4).at n=26A104554
• Matrix inverse of A107722.at n=32A107728
• McKay-Thompson series of class 16f for the Monster group.at n=34A112153
• G.f.: (x^3+6*x+2)^2/(x^2+x+1)^2.at n=33A115054
• G.f.: (x^3+6*x+2)^2/(x^2+x+1)^2.at n=35A115054
• Bi-diagonal inverse of (2n)!/(2k)!.at n=53A119830
• Expansion of -1/(1 - x + 3*x^2 - 2*x^3 + x^4 - 2*x^5 + x^6).at n=17A129920
• a(2*n) = A000217(n), a(2*n+1) = -2*A000217(n).at n=35A131259
• Expansion of chi(-q) * chi(-q^15) / (chi(-q^6) * chi(-q^10)) in powers of q where chi() is a Ramanujan theta function.at n=43A132968
• Antidiagonal triangular matrices of factorials as the example: M(3)={{0, 0, 1}, {0, 1, 2}, {1, 2, 6}}; the matrices are used to get characteristic polynomials and the triangular sequence is the coefficients of those characteristic polynomials.at n=22A137296