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A083616
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Starting positions of strings of 4 4's in the decimal expansion of Pi.
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2
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54525, 57609, 74544, 75558, 83075, 97382, 106823, 108041, 130571, 135340, 137820, 163656, 164061, 171688, 201039, 226761, 235180, 249462, 253741, 280191, 301142, 331550, 366179, 366941, 410226, 416365, 420021, 428389, 445365, 451439, 456129
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..31.
Dave Andersen, Pi-Search Page
Eric Weisstein's World of Mathematics, Pi Digits.
Index entries for sequences related to the number Pi
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MATHEMATICA
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Transpose[StringPosition[StringDrop[ToString[N[Pi, 9! ]], 2], "4444"]][[1]] [From Vladimir Joseph Stephan Orlovsky, Jun 19 2009]
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CROSSREFS
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Cf. A083615 (three 4's), A083617 (five 4's).
Sequence in context: A224618 A202315 A203624 * A205997 A091536 A204776
Adjacent sequences: A083613 A083614 A083615 * A083617 A083618 A083619
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KEYWORD
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base,nonn
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AUTHOR
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Rick L. Shepherd, May 02 2003
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STATUS
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approved
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