Hypothesize a likely efficiency class of an algorithm based on the following empirical observations of its basic operation’s count:

size

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

count

11,966

24,303

39,992

53,010

67,272

78,692

91,274

113,063

129,799

140,538