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Search: id:A113082
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| A113082 |
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Main diagonal of square table A113081; also, a(n) equals the n-th term in column 0 of the matrix n-th power of triangle A113084. |
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+0
1
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| 1, 1, 10, 331, 33476, 10204145, 9378590446, 26026690264407, 218132378185337416, 5518274388618175447069, 421034872020570533423509010, 96809747319527667989371938562883
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OFFSET
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0,3
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PROGRAM
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(PARI) {a(n, q=3)=local(M=matrix(n+1, n+1)); for(r=1, n+1, for(c=1, r, M[r, c]=if(r==c, 1, if(c>1, (M^q)[r-1, c-1])+(M^q)[r-1, c]))); return((M^n)[n+1, 1])}
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CROSSREFS
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Cf. A113081, A113084.
Sequence in context: A164055 A064343 A127823 this_sequence A046747 A006426 A029698
Adjacent sequences: A113079 A113080 A113081 this_sequence A113083 A113084 A113085
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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), Oct 14 2005
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