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Search: id:A111630
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| 1, 1, 1, 2, 1, 2, 2, 3, 1, 1, 3, 2, 2, 1, 1, 1, 3, 2, 2, 3, 3, 1, 2, 3, 3, 2, 1, 3, 3, 1, 2, 1, 2, 2, 3, 2, 1, 2, 2, 2, 1, 1, 1, 1, 2, 3, 3, 1
(list; graph; listen)
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OFFSET
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1,4
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COMMENT
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A sequence of just 1's, 2's and 3's.
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MATHEMATICA
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f[n_] := f[n] = Block[{a}, a[0] = 1; a[l_] := a[l] = Block[{k = 1, s = Sum[ a[i]*x^i, {i, 0, l - 1}]}, While[ IntegerQ[ Last[ CoefficientList[ Series[(s + k*x^l)^(1/n), {x, 0, l}], x]]] != True, k++ ]; k]; Table[a[j], {j, 0, 128}]]; g[n_, m_] := f[n][[m]]; Table[ g[3n, 3n - 2]/n, {n, 48}]
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CROSSREFS
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Cf. A109626.
Sequence in context: A144081 A140086 A037194 this_sequence A106140 A086342 A124736
Adjacent sequences: A111627 A111628 A111629 this_sequence A111631 A111632 A111633
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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) and Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 02 2005
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