2

Part of 1998 Abels Math Contest (Norwegian MO)

Problems(1)

T and L tetraminos in a n x n chessboard

Source: Norwegian Mathematical Olympiad 1998 - Abel Competition p2

Let be given an

n \times n

n \in N

. We wish to tile it using particular tetraminos which can be rotated. For which

n

is this possible if we use (a)

T

-tetraminos (b) both kinds of

L

combinatoricsChessboardtetraminos