215191

Properties

Appears in sequences

• tan(sin(x)-tanh(x))=1/3!*x^3-15/5!*x^5+271/7!*x^7-7375/9!*x^9...at n=4A013381
• a(n) = 5*a(n - 1) + a(n - 2), with a(0)=1, a(1)=2.at n=8A164581
• Prime numbersat n=19225