Barb is making a bead necklace. She strings 1 white bead, then 3 blue beads, then 1 white bead, and so on. Write the numbers for the first eight beads that are white. What is the rule for the pattern?

3 answers

1, 4, 7, 10, ....
nope, I erred.
1, 5, 9, 13 each 4th bead is white.
Help idk the awnswer