sho us the numbers . . me spekt its a sequens . . . simpel zampel...1, 2, 3, 4, 5...=list with tipikal term=n . . . that meen the nth term=n . . . slitely harder...2, 4, 6... term n=2*n . . . math-men invent much more komplex thangs such a s . . . 1, 4, 9, 16,...term n=n^2 . .. . no limit tu the thangs sumwon thank up