-1474

Appears in sequences

• Sequence with a (1,2) Somos-4 Hankel transform.at n=14A178074
• G.f.: Im((2*i; x)_oo), where (a; q)_oo is the q-Pochhammer symbol, i = sqrt(-1).at n=24A292140
• G.f.: Sum_{n>=0} (x^(2*n-1) + 1)^n * x^n / (1 + x^(2*n+1))^(n+1), an even function.at n=35A326602