I can't understand... after me it's all about writing in different ways a sum, of strictly ordered values, like 6=1+5, 6=2+3, 6=1+2+3, like 6=3 ways... but i know i just understood wrong the problems... so how one optaines that output for 212 ?

pleaze
help.

> I can't understand... after me it's all about writing in different
ways a sum, of strictly ordered values, like 6=1+5, 6=2+3, 6=1+2+3,
like 6=3 ways... but i know i just understood wrong the problems...
so how one optaines that output for 212 ?
>
> pleaze
> help.

You understood perfectly. You just have to count the number of
different ways to write a number as a sum of increasing numbers (more
than 2 numbers).