Find the next number in the sequence 23 21 24 19 26 15 28 11 30 7 36 ?
5 23-2=21 21+3=24 24-5=19 19+7=26 26-11=15 15+13=28 28-17=11 11+19=30 30-23=7 7+29=36 36-31=5 (2,3,5,7,11,13,17,19,23,29,31,37,41,43... are Prime Numbers)
