-170

Appears in sequences

• Coefficients of the '2nd-order' mock theta function mu(q).at n=45A006306
• cosh(arcsin(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+43/4!*x^4-170/5!*x^5...at n=5A012908
• Expansion of e.g.f.: cosh(sinh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+43/4!*x^4-170/5!*x^5...at n=5A013022
• Column 2 of Inverse partition triangle A038498.at n=58A039801
• Dirichlet inverse of sigma_2 function (A001157).at n=12A053822
• Coefficient array for certain polynomials N(5; k,x) (rising powers in x).at n=7A062986
• Alternating sum of primes: a(1) = A000040(1) = 2 and a(n) = a(n-1) + A000040(n)*(-1)^n for n > 1.at n=64A066033
• a(n) = Sum_{i=0..2n} B(i)*C(2n+1,i)*6^i where B(i) are the Bernoulli numbers, C(2n,i) the binomial coefficients.at n=2A069994
• Expansion of (1-x)^(-1)/(1-x+x^3).at n=34A077869
• Expansion of (1-x)/(1-x+2*x^2).at n=19A078020
• Expansion of (1-x)/(1+x+2*x^2+2*x^3).at n=18A078052
• Signed version of A035607.at n=32A080246
• a(n) = (n+1)*(2-n)/2.at n=19A080956
• a(n) = 6^n(B_n(1/6)-B_n(0)) where B_n(x) is the n-th Bernoulli polynomial.at n=5A083010
• A generalized Jacobsthal sequence.at n=8A083944
• Matrix inverse of triangle A101275 (number of Schröder paths).at n=17A102051
• Column 2 of triangle A102051, which is the matrix inverse of triangle A101275 (number of Schroeder paths).at n=3A102053
• Triangular matrix, read by rows, equal to the matrix square of A102225, such that the first differences of row k forms row (k+1) of A102225.at n=43A102228
• Expansion of (1+x^2)/((1-x+x^2)*(1+2*x^2)).at n=18A102517
• Expansion of chi(-q) / chi(-q^7) in powers of q where chi() is a Ramanujan theta function.at n=69A113297