Error in Fehlberg-13-7-8 Butcher table

[german-bresciano]

I don't know if this is a bug or only a documentation error.
The las two rows of Fehlberg-13-7-8 butcher table in https://sundials.readthedocs.io/en/v6.6.2/arkode/Butcher_link.html#explicit-butcher-tables do not sum 1.
8 order row sums 881/840 instead of 1.
7 order row also sums 881/840 instead of 1.

I suspect that it may be a real bug, because performs worst than Fehlberg-6-4-5 and Verner-8-5-6.
Fehlberg-13-7-8 is greater than errors of both lower order method, and the number of steps is almost the same.

[german-bresciano]

It was my mistake. Sorry.