Pass necessary journal entries in the books of Narender for the month of March 2006

Which is an equation for the nth terms of the sequence 12,15,18,21

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?