# code: http://golf.shinh.org/reveal.rb?sum+of+square+numbers/tails_1643290095&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

+ #(sum):int 
    . #(map):[int] 
        , #(range from 1):[int] 
            fstInt #($):int 
        \A 
        ^ #(pow):int 
            A #($):int 
            ~ #(auto = 2):auto