A327732 Partition the decimal digits of Pi and e into groups of two. The sequence gives the positions where those two-digit groups match.

17, 388, 428, 460, 461, 500, 595, 607, 840, 962, 963, 1058, 1253, 1743, 1798, 1810, 1815, 1843, 1932, 1975, 2059, 2060, 2368, 2526, 2558, 2857, 2900, 3419, 3430, 3519, 3906, 4174, 4175, 4314, 4422, 4493, 4498, 4527, 4547, 4570, 4684, 4782, 5019, 5147, 5148

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..10000

Example

Illustration for a(1) = 17 from N. J. A. Sloane, Oct 09 2019:
3.141592653589793*23*8462...
2.718281828459045*23*5360...

Mathematica

Module[{nn=10000, pid, ed, wd=2}, pid=FromDigits/@Partition[RealDigits[Pi, 10, nn][[1]], wd, 1]; ed=FromDigits/@Partition[RealDigits[E, 10, nn][[1]], wd, 1]; Position[Thread[{pid, ed}], _?(#[[1]]==#[[2]]&), 1, Heads->False]]//Flatten

Crossrefs

Cf. A000796 (Pi), A001113 (e).

Sequence in context: A318043 A012639 A350926 * A012200 A340972 A340353

Adjacent sequences: A327729 A327730 A327731 * A327733 A327734 A327735

Keyword

nonn,base

Author

Harvey P. Dale, Oct 09 2019

Status

approved