## Haskell, 34 bytes

    n#x=take x$[1..]>>= \b->[b..b+n-1]

[Try it online!](https://tio.run/##y0gszk7Nyfn/P0@5wrYkMTtVoUIl2lBPL9bOzlYhJknXLjpJTy9JO0/XMPZ/bmJmnoKtQko@l4JCQVFmXomCioKhgrKCiSWSgBFQwNDAAEnEGCRi/B8A "Haskell – Try It Online")