/usr/share/doc/seq-gen/examples/recombinant.tree is in seq-gen 1.3.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | [400](((Taxon1:0.2,Taxon2:0.2):0.1,Taxon3:0.3):0.1,Taxon4:0.4);
[600](((Taxon1:0.2,Taxon3:0.2):0.1,Taxon2:0.3):0.1,Taxon4:0.4);
[300](((Taxon1:0.2,Taxon2:0.2):0.1,Taxon3:0.3):0.1,Taxon4:0.4);
[400](((Taxon1:0.2,Taxon3:0.2):0.1,Taxon2:0.3):0.1,Taxon4:0.4);
[300](((Taxon1:0.2,Taxon2:0.2):0.1,Taxon3:0.3):0.1,Taxon4:0.4);
|