do you know the function for this taylor series?

hi all,

I have the function given by taylor series

anyone knows what this function could be? (or how it can be reduced to any known function)

help would be greatly appreciated... :)

sum from k = 0 to infinity of (-1)^k*k!*x^k/(2k-1)! - Wolfram|Alpha

great, many thanks!

Dawson integral apparently :) (up to some rubbish)