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 A143352 Triangle read by rows, A051731 * A054524 = (A051731)^2 * A128407; 1<=k<=n. 0
 1, 2, -1, 2, 0, -1, 3, -2, 0, 0, 2, 0, 0, 0, -1, 4, -2, -2, 0, 0, 1, 2, 0, 0, 0, 0, 0, -1, 4, -3, 0, 0, 0, 0, 0, 0, 3, 0, -2, 0, 0, 0, 0, 0, 0, 4, -2, 0, 0, -2, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 6, -4, -3, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 4, -2, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Left border = d(n), A000010. Right border = mu(n), A008683. Row sums = 1. LINKS FORMULA Triangle read by rows, A051731 * A054524 = (A051731)^2 * A128407; 1<=k<=n EXAMPLE First few rows of the triangle = 1; 2, -1; 2, 0, -1; 3, -2, 0, 0; 2, 0, 0, 0, -1 4, -2, -2, 0, 0, 1; 2, 0, 0, 0, 0, 0, -1; 4, -3, 0, 0, 0, 0, 0, 0; 3, 0, -2, 0, 0, 0, 0, 0, 0; 4, -2, 0, 0, -2, 0, 0, 0, 0, 1; ... CROSSREFS Cf. A054524, A051731, A128407, A000010, A008683. Sequence in context: A178650 A028933 A190491 * A127170 A143335 A099505 Adjacent sequences:  A143349 A143350 A143351 * A143353 A143354 A143355 KEYWORD tabl,sign AUTHOR Gary W. Adamson, Aug 10 2008 STATUS approved

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Last modified May 7 20:36 EDT 2021. Contains 343652 sequences. (Running on oeis4.)