What is 18th term of the sequence defined by `a_n=(n(n-3))/(n+4)`

What is the 20^(th) term of the sequence defined by a_(n)=(n-1)(2-n)(3+n)?

What is the 15^(th) term of the sequence defined by: a_(n)=(n-1)(2-n)(3+n)?

What is the 15 th term of the sequence defined by t_(n)=(1)/(2n-10)

Give first 3 terms o the sequence defined by a_(n)=(n)/(n^(2)+1)

Write the first five terms of the sequence defined by a_(n)=(-1)^(n-1).2^(n)

Write the first three terms of the sequence defined by (i) a_(n)=n(n+2) (ii) a_(n)=n/(n+1)

a. Find the 21 st and 42 nd terms of the sequence defined by: t_(n)={(0,"if n is odd"),(1,"if n is even"):} (b) Find the 18 th and 25 th terms of the sequence defined by t_(n)={(n(n+2),"if n is even natural number"),((4n)/(n^(2)+1),"ifn is odd natural number"):} (c) Find the 440th and 441st terms of the sequance given by: t_(n)={(n/(n/44-1),"If n is not the square ofa natural nunber"),(2.7,"if n is the square of a natural number"):}

Write the first five terms in each of the sequences defined a_(n) = (n^(2))/(n+1)

Find the first four terms of the sequence defined by a_(1)=3 and a_(n)=3a_(n-1)+2, for all n.1.

19th term of the sequence a(n)=(n-2)/(n+3) is…………….