Becoming a pirate is not an easy job. Every new pirate has to assassinate at least
1 man on the first day!!
4 men and 5 women on the second day!!
25 men and 20 women on the third day!!
90 men and 99 women on the fourth day!!
329 men and 400 women on the fifth day!!
and so on, according to the mysterious pirate sequence.
If the least no. of total assassinations from day 1 till day 11 one must take to become a formidable pirate are
What is the value of a+b ?