Here is the Hammers/Brighton stat attack according to a number of sites including the BBC.
During the last 9 meetings with the Irons playing at home, West Ham United have won twice and there have been 4 draws while Brighton & Hove Albion have won 3 times. The goal difference is 17-14 in favour of us.

Hammers/Brighton stat attack
During the last 18 meetings, West Ham United have won 4 times, there have been 7 draws while Brighton have won 7 times. The goal difference is 30-27 in favour of the seagulls.
West Ham United’s last home win against Brighton & Hove Albion was way back in 2012. – I had to double check that !
Last season Brighton won both games against West Ham (4-0 at home and 2-0 away).
Did you know that West Ham United scores 21% of their goals between the minutes 76-90?
West Ham have won 3 home matches in a row.
West Ham haven’t lost in any of their last 7 home matches.
West Ham only failed to score in 1 of their 9 home matches in Premier League this season.
Brighton haven’t scored in 1 of their 9 away matches in Premier League this season.
West Ham wins 1st half in 36% of their matches, Brighton & Hove Albion in 35% of their matches.
West Ham United wins 36% of halftimes, Brighton wins 35%.
When West Ham leads 1-0 at home, they win in 76% of their matches.
When Brighton lead 0-1 away, they win in 66% of their matches.
When West Ham United is down 0-1 at home, they win 44% of their matches.
When Brighton is down 1-0 away, they win 15% of their matches.
Average number of goals in meetings between West Ham United and Brighton & Hove Albion is 3.2.
Average number of goals in the first half in meetings between West Ham United and Brighton is 1.
A year ago, West Ham were 17th in the table with 15 points. Now we are 6th with 33 points.
The Irons have scored at least one goal for 5 consecutive matches.