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A106334
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Decimal expansion of the function F(x) evaluated at the constant x that satisfies: F(x) - x*F'(x) = 0, where F(x) = Sum_{n>=0} x^(n*(n+1)/2).
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5
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1, 9, 8, 7, 3, 6, 9, 7, 2, 1, 1, 8, 4, 6, 8, 4, 1, 4, 5, 2, 6, 9, 2, 8, 9, 7, 8, 3, 3, 4, 4, 4, 1, 2, 6, 1, 8, 3, 4, 2, 7, 1, 7, 7, 2, 9, 8, 5, 5, 4, 5, 7, 4, 7, 0, 3, 5, 6, 2, 2, 3, 1, 0, 3, 8, 2, 6, 9, 5, 8, 9, 3, 8, 8, 6, 6, 2, 5, 5, 4, 7, 7, 6, 2, 0, 9, 7, 6, 2, 9, 9, 6, 3, 3, 6, 5, 7, 2, 7, 4, 6, 8, 1, 3, 5
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Constant A106333 divided by this constant equals constant A106335, the radius of convergence of the g.f. of A106336.
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EXAMPLE
| F(x)=1.9873697211846841452692897833444126183427177298554574703562231
where F(x) = 1 + x + x^3 + x^6 + x^10 + x^15 + x^21 + x^28 + ...
at x = 0.6411803884299545796456448886283011... (A106333).
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PROG
| (PARI) A106333=solve(x=.6, .7, sum(n=0, 100, (1-n*(n+1)/2)*x^(n*(n+1)/2))); A106334=sum(n=0, 100, A106333^(n*(n+1)/2))
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CROSSREFS
| Cf. A106333, A106335, A106332, A106336.
Sequence in context: A094145 A002388 A011116 * A089739 A199264 A022965
Adjacent sequences: A106331 A106332 A106333 * A106335 A106336 A106337
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KEYWORD
| cons,nonn
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Apr 29 2005
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