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Search: id:A117169
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| A117169 |
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Row sums of triangle A117165 of Shift-Moebius transform coefficients and so equals the Shift-Moebius transform of [1,1,1,...]. |
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+0
6
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| 1, 0, -1, -1, -2, -1, -2, 0, -2, 0, 1, 2, 0, 3, 3, 4, 4, 6, 5, 7, 6, 7, 10, 7, 4, 7, 10, 7, 8, 5, 7, 6, 6, 1, 5, 0, -1, -2, -1, -8, -6, -11, -7, -15, -12, -20, -15, -24, -27, -33, -25, -36, -28, -41, -39, -48, -42, -51, -46, -61, -61, -69, -58, -72, -64, -77, -70, -85, -76, -90, -85, -94, -86, -99, -84, -100
(list; graph; listen)
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OFFSET
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1,5
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PROGRAM
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(PARI) {a(n)=sum(j=1, n, prod(i=0, n+j-1, matrix(n+j-1, n+j-1, r, c, if(r>=c, if((r+n+j-1-i)%(c+n+j-1-i)==0, moebius((r+n+j-1-i)/(c+n+j-1-i)), 0))))[n, j])}
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CROSSREFS
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Cf. A117165 (triangle), A117166 (column 1), A117167 (column 2), A117168 (column 3); A117160.
Sequence in context: A159955 A053838 A117167 this_sequence A046920 A107599 A156836
Adjacent sequences: A117166 A117167 A117168 this_sequence A117170 A117171 A117172
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KEYWORD
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sign
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AUTHOR
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Wouter Meeussen (wouter.meeussen(AT)pandora.be) and Paul D. Hanna (pauldhanna(AT)juno.com), Mar 05 2006
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