-751

Appears in sequences

• Numerators of coefficients in Taylor series expansion of log(cosec(x)*log(x+1)).at n=7A012854
• Numerators of coefficients in Taylor series expansion of log(cotan(x)*log(x+1)).at n=7A012863
• Coefficients of the '6th-order' mock theta function psi(q).at n=60A053269
• Smallest (in magnitude) nonzero number m such that n!+m is prime.at n=70A053714
• Coefficient array for certain numerator polynomials N7(n,x), n >= 0 (rising powers of x).at n=58A063266
• a(n+2) = n*a(n+1) - a(n), with a(1)=1, a(2)=2.at n=8A075374
• Abundance values of numbers whose abundance is (+-1) times a prime.at n=37A088006
• First differences of A142705.at n=31A142888
• Prime-generating polynomial: a(n) = 4*n^2 + 12*n - 1583.at n=13A182409
• Values of the prime-generating polynomial 4*n^2 - 284*n + 3449.at n=21A210626
• a(n) = 8*n^3 - 449*n^2 + 7967*n - 45523.at n=12A253045
• Expansion of f(-x^6)^3 / (f(-x^4)^2 * psi(x)) in powers of x where phi(), f() are Ramanujan theta functions.at n=25A262152
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 475", based on the 5-celled von Neumann neighborhood.at n=19A272450
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 505", based on the 5-celled von Neumann neighborhood.at n=17A272584
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 507", based on the 5-celled von Neumann neighborhood.at n=17A272588
• Expansion of the series reversion of x*Product_{k>=0} (1 + x^(2^k) + x^(2^(k + 1))).at n=9A292363
• a(n) is the smallest error in trying to solve n^4 = x^4 + y^4. That is, for each n from 2 on, find positive integers x and y, x <= y < n such that |n^4 - x^4 - y^4| is minimal and let a(n) = n^4 - x^4 - y^4.at n=17A308834
• E.g.f. satisfies y'' + y' + x^3*y = 0 with y(0)=0, y'(0)=1.at n=10A318293
• a(n) = Sum_{d|n} (-1)^(n/d-1) * binomial(d+n/d-1, d).at n=49A344777
• Expansion of Sum_{k>0} x^(3*k)/(1+x^k)^4.at n=17A363617