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Search: id:A101483
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| A101483 |
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Column 2 of triangular matrix A101479, in which row n equals row (n-1) of T^(n-1) followed by '1'. |
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+0
10
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| 1, 1, 3, 18, 170, 2220, 37149, 758814, 18301950, 508907970, 16023271660, 563336380167, 21870097514265, 929083211885920, 42864992943282825, 2134180938818369850, 114045356939250133338, 6510275427522198876426
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OFFSET
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0,3
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PROGRAM
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(PARI) {a(n)=local(A=Mat(1), B); for(m=1, n+1, B=matrix(m, m); for(i=1, m, for(j=1, i, if(j==i, B[i, j]=1, B[i, j]=(A^i)[i-1, j]); )); A=B); return(A[n+1, 1])}
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CROSSREFS
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Sequence in context: A052668 A121423 A074932 this_sequence A099716 A113130 A005192
Adjacent sequences: A101480 A101481 A101482 this_sequence A101484 A101485 A101486
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Jan 21 2005
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