Number of 2 X 2 matrices with elements from {0,1,2,...,n} and with Nim-Determinant 1. (The Nim-Determinant of the 2 X 2 matrix [a,b; c,d] is defined to be a*d xor b*c, where * denotes Nim-Multiplication.)

A059954

Number of 2 X 2 matrices with elements from {0,1,2,...,n} and with Nim-Determinant 1. (The Nim-Determinant of the 2 X 2 matrix [a,b; c,d] is defined to be a*d xor b*c, where * denotes Nim-Multiplication.)

Terms

    a(0) =6a(1) =14a(2) =60a(3) =72a(4) =106a(5) =150a(6) =240a(7) =360a(8) =598a(9) =902a(10) =1308a(11) =1812a(12) =2378a(13) =3146a(14) =4080a(15) =4140a(16) =4270a(17) =4346a(18) =4500a(19) =4592a(20) =4754a(21) =4910a(22) =5144a(23) =5308a(24) =5558a(25) =5802a(26) =6140a(27) =6440a(28) =6826a(29) =7206

External references