123, 132 & 2 & 1, 4, 8, 8, 0, 0, 0, \ensuremath{\cdots} &  \\
\hline
123, 231 & 2 & 1, 4, 9, 6, 0, 0, 0, \ensuremath{\cdots} &  \\
\hline
123, 321 & 1 & 1, 4, 8, 0, 0, 0, 0, \ensuremath{\cdots} &  \\
\hline
132, 213 & 1 & 1, 4, 12, 28, 58, 114, 220, \ensuremath{\cdots} & {\rm new} \\
\hline
132, 231 & 4 & 1, 4, 12, 32, 80, 192, 448, \ensuremath{\cdots} & \seqnum{A001787}? \\
\hline
132, 321 & 2 & 1, 4, 12, 27, 51, 86, 134, \ensuremath{\cdots} & \seqnum{A047732}? \\
\hline
231, 312 & 1 & 1, 4, 10, 28, 76, 208, 568, \ensuremath{\cdots} & \seqnum{A026150}? \\
\hline
231, 321 & 2 & 1, 4, 12, 36, 108, 324, 972, \ensuremath{\cdots} & \seqnum{A003946}? \\
\hline
