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A083608
Starting positions of strings of five 2's in the decimal expansion of Pi.
2
65260, 327074, 580735, 619398, 644011, 720510, 963024, 963025, 993919, 1078372, 1196183, 1303184, 1347014, 1391134, 1580648, 1592452, 1636486, 1637080, 1637081, 1795773, 1795774, 1921819, 1964004, 1991262, 2162262, 2355086, 2492921, 2523356, 2523357, 2915313
OFFSET
1,1
COMMENTS
Starting position counted after decimal point.- Harvey P. Dale, Mar 11 2023
MATHEMATICA
Transpose[StringPosition[StringDrop[ToString[N[Pi, 10! ]], 2], "22222"]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)
SequencePosition[RealDigits[Pi, 10, 3 10^6][[1]], {2, 2, 2, 2, 2}][[;; , 1]]-1 (* Harvey P. Dale, Mar 11 2023 *)
CROSSREFS
Cf. A083607 (four 2's), A083609 (six 2's).
Sequence in context: A204640 A015344 A184148 * A102277 A013692 A037164
KEYWORD
nonn,base
AUTHOR
Rick L. Shepherd, May 01 2003
EXTENSIONS
More terms from Jinyuan Wang, Feb 29 2020
STATUS
approved