How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?

Details and assumptions
The consecutive integers are allowed to be a mix of negative integers, 0 and positive integers (as long as they are consecutive).

Question

How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?

Details and assumptions
The consecutive integers are allowed to be a mix of negative integers, 0 and positive integers (as long as they are consecutive).

loser66 · Answer

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anonymous · Answer

if sin A+ sin^2A = 1, then the value of the expression (cos^2 A + cos^4 A) is