Problem: 257

Code: 257/darrenks_1640145683

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 map) 
    + (add) 
        ~ (auto = 1) 
        , (range from 1) 
            35 (integer) 
    + (concat) <--arg( B A ) 
        . (map) 
            `@ (to base) 
                $ (= B) 
                257 (integer) 
            ? (if/else) <--arg( C ) 
                - (subtract) 
                    $ (= C) 
                    9 (integer) 
                + (add) <--arg( D ) 
                    '@' (char) 
                    (implicit arg = D) 
                (implicit arg = C)