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A156241 Triangle read by rows, T(n,k). If k divides n then A008683(n)*A008683(k). +0
4
1, -1, 1, -1, 0, 1, 0, 0, 0, 1, -1, 0, 0, 0, 1, 1, -1, -1, 0, 0, 1, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, -1, 0, 0, -1, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, -1, 0, 0, 0, 0, -1, 0, 0 (list; table; graph; listen)
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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