Sha256: 02286d864c73d3b4555b432be48b7ed497ed838e6fd097f8666ae6fa85a06a9d
Contents?: true
Size: 781 Bytes
Versions: 20
Compression:
Stored size: 781 Bytes
Contents
describe Integer, "#abundancy" do
# A017665
@seq = [1,3,4,7,6,2,8,15,13,9,12,7,14,12,8,31,18,13,20,
21,32,18,24,5,31,21,40,2,30,12,32,63,16,27,48,91,
38,30,56,9,42,16,44,21,26,36,48,31,57,93,24,49,54,
20,72,15,80,45,60,14,62,48,104,127,84,24,68,63,32,
72,72,65,74,57].zip(
# A017666
[1,2,3,4,5,1,7,8,9,5,11,3,13,7,5,16,17,6,19,10,21,
11,23,2,25,13,27,1,29,5,31,32,11,17,35,36,37,19,
39,4,41,7,43,11,15,23,47,12,49,50,17,26,53,9,55,7,
57,29,59,5,61,31,63,64,65,11,67,34,23,35,71,24,73,
37,75,19]).map{|n,d| Rational(n,d)}.to_seq
@seq.each_with_index do |e, i|
it "should return #{e.inspect} for #{i.succ}" do
i.succ.abundancy.should == e
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems