A083609 Starting positions of strings of six 2's in the decimal expansion of Pi.

963024, 1637080, 1795773, 2523356, 3474036, 5463417, 5803105, 7024615, 9742967, 11836401, 12883291, 13208202, 13371031, 15419528, 15783557, 18183625, 19081176, 20031349, 20363606, 20399387, 20735063, 21682696, 25303344, 31104717, 31614606, 32300569, 33093853, 34422277

Offset: 1

Author

Rick L. Shepherd, May 01 2003

Keywords

• nonn
• base

Links

• Dave Andersen, Pi-Search Page
• Eric Weisstein's World of Mathematics, Pi Digits.
• Index entries for sequences related to the number Pi

Crossrefs

Cf. A083608 (five "2"s), A118079 (seven "2"s); A037001 = A053746 - 1 (any "2"s).

Programs

Mathematica

With[{s = ConstantArray[2, 6]}, SequencePosition[First@ RealDigits@ N[Pi, 10^8], s][[All, 1]] - 1] (* Michael De Vlieger, Mar 20 2017, Version 10.1 *)

Extensions

More terms from Jinyuan Wang, Feb 29 2020