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%I #21 Jan 29 2020 04:40:28
%S 4,130,177,33172,24466,244453,3517236,168743355,5050944965,7644991298,
%T 157675736216,1618922020656,9593946215340,7604259624808
%N Index of first occurrence of just n consecutive fives in a row in the decimal expansion of Pi.
%C Differs from A050284 as soon as a(4) > a(5) = A050284(4) = A050284(5). - _M. F. Hasler_, Apr 13 2019
%C a(11) > 99*10^9. - _Giovanni Resta_, Oct 02 2019
%C a(15) > 22*10^12. - _Dmitry Petukhov_, Jan 29 2020
%H David G. Andersen, <a href="http://www.angio.net/pi/piquery">The Pi-Search Page</a>.
%H Peter Trüb, <a href="https://pi2e.ch/blog/2017/03/10/pi-digits-download/">22.4 trillion digits of pi</a>
%Y Cf. A050284, A035117, A096756, A096757, A096758, A096760, A096761, A096762, A096763, A050279.
%K nonn,base,more
%O 1,1
%A _Robert G. Wilson v_, Jul 07 2004
%E Typo in a(10) corrected by _Giovanni Resta_, Oct 02 2019
%E a(11)-a(14) added by _Dmitry Petukhov_, Jan 12 2020
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