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A261827 Decimal expansion of the number whose continued fraction expansion consists of the perfect numbers (A000396). 0
6, 0, 3, 5, 7, 1, 1, 7, 1, 4, 3, 0, 6, 9, 2, 3, 3, 3, 4, 6, 2, 8, 3, 9, 9, 0, 5, 2, 9, 2, 6, 0, 9, 4, 6, 1, 8, 0, 8, 0, 6, 1, 7, 5, 7, 4, 8, 1, 3, 6, 8, 9, 5, 4, 6, 1, 0, 7, 0, 6, 6, 8, 5, 6, 8, 3, 6, 0, 6, 9, 2, 0, 3, 4, 8, 2, 2, 1, 1, 6, 6, 9, 3, 7, 3, 9, 5, 4, 6, 8, 6, 6, 3, 3, 3, 4, 2, 3, 3, 0, 5, 4, 4, 2, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..105.

Eric Weisstein's World of Mathematics, Continued Fraction

Eric Weisstein's World of Mathematics, Perfect Number

EXAMPLE

6.0357117143069233346283990529260946180806175748136895461...

MATHEMATICA

ind = {1, 2, 3, 4, 6, 7, 8, 11, 18, 24, 28, 31, 98, 111} (* from A016027 *); p = Prime@ ind; pn = (2^p - 1)(2^(p - 1)); RealDigits[ FromContinuedFraction@ pn, 10, 111][[1]] (* Robert G. Wilson v, Sep 13 2015 *)

CROSSREFS

Cf. A000396, A073821, A073822, A073823, A073824, A052119, A064442.

Sequence in context: A094174 A105873 A011380 * A038139 A021998 A289487

Adjacent sequences:  A261824 A261825 A261826 * A261828 A261829 A261830

KEYWORD

nonn,cons

AUTHOR

Ilya Gutkovskiy, Sep 02 2015

STATUS

approved

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Last modified April 19 10:45 EDT 2019. Contains 322255 sequences. (Running on oeis4.)