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A156241 Triangle read by rows, T(n,k). If k divides n then A008683(n)*A008683(k). 3
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; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
A008683 is found in the first column. A087003 appears in the second column.
The definition does not match the values for n=k. Apparently T(n,n) has been set to 1, not mu(n)*mu(n). [From R. J. Mathar, Mar 14 2009]
LINKS
CROSSREFS
Sequence in context: A183918 A128408 A121802 * A156254 A010056 A283437
KEYWORD
sign,tabl
AUTHOR
Mats Granvik, Feb 07 2009
STATUS
approved

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Last modified March 19 03:33 EDT 2024. Contains 370952 sequences. (Running on oeis4.)