Question 497868
LAYER ONE: 3
THREE PARENTS CALL THREE PARENTS EACH GIVING
LAYER TWO: 3*3=9 (3^2) THE NUMBER OF CALLS MADE EQUALS PARENTS IN THIS LAYER 
NINE PARENTS CALL THREE PARENTS EACH GIVING
LAYER THREE: 3*3*3=27 (3^3) NINE PARENTS TIMES THREE CALLS EQUALS PARENTS IN THIS LAYER
TWENTY SEVEN PARENTS CALL THREE PARENTS EACH GIVING
LAYER FOUR: 3*3*3*3=81 (3^4) TWENTY SEVEN PARENTS TIMES THREE CALLS EQUALS THE NUMBER OF PARENTS IN THIS LAYER
EIGHTY ONE PARENTS CALL THREE PARENTS EACH GIVING
LAYER FIVE: 3*3*3*3*3=243 (3^5) EIGHTY ONE PARENTS TIMES THREE CALLS EQUALS THE NUMBER OF PARENTS IN THIS LAYER
ADD THE STACK OF LAYERS TOGETHER
3+3^2+3^3+3^4+3^5=
3+9+27+81+243=363