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Search: id:A101482
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| A101482 |
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Column 1 of triangular matrix A101479, in which row n equals row (n-1) of T^(n-1) followed by '1'. |
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+0
6
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| 1, 1, 2, 9, 70, 795, 11961, 224504, 5051866, 132523155, 3969912160, 133678842902, 4997280555576, 205320100093953, 9195224163850830, 445775353262707365, 23255990676521697670, 1299028117862237432959, 77348967890083608924045
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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-1))[i-1, j]); )); A=B); return(A[n+1, 1])}
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CROSSREFS
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Sequence in context: A167016 A108522 A014500 this_sequence A099717 A121879 A118789
Adjacent sequences: A101479 A101480 A101481 this_sequence A101483 A101484 A101485
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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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