what is this pattern

[joeswife]

1,1,1,3,5,9,17,31,57

[xx marti xx]

If you add the 1,1,1 you get 3.The next number is 5 if you add its three previous numbers you get 5.the next number is 9.add its three previous numbers and you get 17.Dont think ive explained this very well but you get the jist of it !

[joeswife]

i thank you so much we all have been trying to figure this out for about an hour thank you again and god bless

[mibn2cweus]

The next number is the sum of the three previous numbers

[xx marti xx]

Why couldn't I explain it like mibn2cweus !

[mibn2cweus]

xx marti xx, You were there first! Welcome to answerbank where if you wait long enough for an answer you'll find two.

[mibn2cweus]

. . . same goes for you joeswife