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A114157
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Column 0 of triangle A114156, which is the matrix inverse of A113370.
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2
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1, -1, 3, 6, -8, -501, -13623, -409953, -14544683, -607055209, -29421219966, -1632715832341, -102423931253271, -7182065357683744, -557479490745141406, -47499193522110824640, -4410100445892863617679, -443346294340660384160358
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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PROG
| (PARI) {a(n)=local(P, Q, R, W); P=Mat(1); for(m=2, n+1, W=matrix(m, m); for(i=1, m, for(j=1, i, if(i<3|j==i|j>m-1, W[i, j]=1, if(j==1, W[i, 1]=1, W[i, j]=(P^(3*j-2))[i-j+1, 1])); )); P=W); (P^-1)[n+1, 1]}
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CROSSREFS
| Cf. A114156, A113370.
Sequence in context: A098106 A059361 A103268 * A021275 A197292 A094560
Adjacent sequences: A114154 A114155 A114156 * A114158 A114159 A114160
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KEYWORD
| sign
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Nov 15 2005
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