-125

Appears in sequences

• Expansion of Product (1 - x^k)^8 in powers of x.at n=8A000731
• Expansion of bracket function.at n=5A000750
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^5 in powers of x.at n=39A001483
• Generalized sum of divisors function: excess of sum of odd divisors of n over sum of even divisors of n.at n=63A002129
• From fundamental unit of Z[ (-d)^{1/4} ], where d runs over positive integers not of the form 4*k^4.at n=24A006828
• Coefficient of x^n in (Product_{m=1..n}(1-x^m))^n.at n=8A008705
• Expansion of e.g.f.: exp(x)/cosh(log(1+x)).at n=7A009294
• Expansion of e.g.f. log(1+log(1+x)/exp(x)).at n=4A009324
• Expansion of sin(log(1+x)/exp(x)).at n=5A009467
• a(n) = (2*n - 15)*n^2.at n=5A015247
• Inverse Euler transform of {A001285(0), A001285(1), ...} where A001285(n) is Thue-Morse sequence.at n=27A029878
• Triangle related to number of compositions of n into relatively prime summands.at n=41A039912
• Coefficients of the '6th-order' mock theta function lambda(q).at n=17A053272
• Coefficients of the '10th-order' mock theta function X(q).at n=69A053283
• Dirichlet inverse of sigma_2 function (A001157).at n=49A053822
• a(n) = bin_prime_sum(fibonacci(A001651[n])), where fibonacci(A001651[n]) is A014437[n].at n=43A059878
• Coefficients of polynomials ( (1 -x +sqrt(x))^n + (1 -x -sqrt(x))^n )/2.at n=40A061176
• Differences between the primes generating the n-th prime power.at n=59A068389
• A measure of how close the square root of 2 is to rational numbers.at n=44A068515
• Partial sums of A073579.at n=19A077039