-224

Appears in sequences

• Expansion of Product_{n>=1} (1 - x^n)^7.at n=23A000730
• Expansion of 8-dimensional cusp form.at n=6A002408
• Glaisher's function V(n).at n=13A002611
• Expansion of cosh(tanh(log(1+x))).at n=6A009169
• Expansion of sin(sinh(x))*x/2.at n=4A024302
• Glaisher's chi_4(n).at n=19A030212
• a(n) = A048106(A001405(n)).at n=29A048244
• Generalized Stirling number triangle of the first kind.at n=34A051187
• a(n) = floor(Sum_{k=0..n} tan(k)).at n=23A051508
• a(n) = floor(Sum_{k=0..n} tan(k)).at n=20A051508
• a(n) = round(Sum_{k=0..n} tan(k)).at n=20A051509
• a(n) = round(Sum_{k=0..n} tan(k)).at n=23A051509
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=26A051510
• a(n) = ceiling(Sum_{k=0..n} tan(k)).at n=17A051510
• Triangle of coefficients of Chebyshev's U(n,2*x-1) polynomials (exponents of x in increasing order).at n=22A053124
• Triangle of coefficients of Chebyshev's U(n,2*x-1) polynomials (exponents of x in decreasing order).at n=26A053125
• Dirichlet inverse of sigma_3 function (A001158).at n=11A053825
• Regard triangle of rencontres numbers (see A008290) as infinite matrix, compute inverse, read by rows.at n=39A055137
• Matrix inverse of triangle A055140.at n=15A055141
• Expansion of e.g.f.: exp(x)*sqrt(1-2x).at n=5A055142