-1844

Appears in sequences

• a(n) = 7^n - n^7.at n=3A024082
• Table T(m,k)=m^k-k^m (with 0^0 taken to be 1) as square array read by antidiagonals.at n=58A055651
• Numbers of the form 7^p - p^7 where p is prime.at n=1A098104
• Difference between the (10^n)-th prime and the Riemann-Gram approximation of the (10^n)-th prime.at n=8A123233
• Table T(n,k) = k^n - n^k, n, k > 0, read by descending antidiagonals.at n=38A220417
• Expansion of f(x, x^2) / psi(x)^3 in powers of x where psi(), f(, ) are Ramanujan theta functions.at n=13A258092
• Expansion of q^(-1) * psi(q) / psi(q^3)^3 in powers of q where psi() is a Ramanujan theta function.at n=39A258093
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood.at n=21A269913
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood.at n=27A270281
• Expansion of e.g.f. 1/(1 - log(1 + 3*x))^(1/3).at n=6A352070
• a(n) = Sum_{i=1..n} i^2*(-1)^ceiling(sqrt(i)).at n=22A392677