Problem: sum of subsequences

Code: sum+of+subsequences/tails_1645786103

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

(implicit string concatenation) 
    (implicit string concatenation) 
        "[" (string) 
        * (join) 
            "," (string) 
            `< (sort) 
                . (map) 
                    `_ (subsequences) 
                        ~ (auto = 2) 
                        _ (= ints) 
                    + (sum) <--arg( A ) 
                        $ (= A) 
    "]" (string)