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A132273 a(n) = sum{k=1 to n} (k-th integer from among those positive integers which are coprime to (n+1-k)). +0
5
1, 3, 7, 12, 20, 28, 41, 52, 69, 83, 103, 122, 149, 169, 197, 222, 257, 285, 322, 355, 397, 431, 477, 514, 567, 610, 662, 708, 769, 815, 882, 935, 1000, 1056, 1123, 1182, 1267, 1326, 1404, 1471, 1554, 1628, 1712, 1790, 1882, 1958, 2057, 2137, 2240 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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