103130

Appears in sequences

• Constant term in expansion of (1/2) * Product_{k=-n..n} (1 + x^k).at n=11A047653
• Number of asymmetric types of (3,n)-hypergraphs under action of symmetric group S_3.at n=17A055536
• Half the number of ways of placing up to n pawns on a length n chessboard row so that the row balances at its middle.at n=22A133406