-14000

Appears in sequences

• Expansion of e.g.f. cos(tan(x)*arcsin(x)) (even powers only).at n=4A012379
• Expansion of e.g.f. cos(arctan(x)*sin(x)) (only even powers).at n=4A012424
• E.g.f.: sech(sinh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-450/6!*x^6+2940/7!*x^7...at n=8A012518
• Constant term when a polynomial of degree n-1 is fitted to the first n primes.at n=16A082594
• Triangle read by rows: T(n,k)=(-1)^k*(2n/(2n-k))5^(n-k)*binomial(2n-k,k) (0<=k<=n, n>=1).at n=23A104064
• Triangle, read by rows, T(n,k) = f(n,k) - f(n,0) + 1, where f(n,k) = Sum_{j=0..k} (n+k)!/((n-j)!*(k-j)!*j!) + Sum_{j=0..n-k} (2*n-k)!/((n-j)!*(n - k-j)!*j!).at n=12A176082