-14256

Appears in sequences

• Recurrence a(n+2) = Sum_{k=0..n} binomial(n,k)*a(k)*a(n+1-k) with a(0)=2, a(1)=-1.at n=9A289065
• Expansion of e.g.f. cos( sqrt(2) * log(1+x) ).at n=9A357693
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. cos( sqrt(k) * log(1+x) ).at n=75A357720