A153244 Positions within the fractional part of Pi (.1415926535897932...) at which the digits of Pi (31415926535897932...) appear in order.

9, 37, 57, 68, 90, 100, 102, 108, 109, 111, 130, 134, 144, 156, 169, 170, 173, 194, 197, 201, 211, 221, 226, 227, 230, 231, 233, 237, 241, 242, 247, 252, 264, 275, 279, 305, 321, 324, 328, 343, 344, 347, 353, 358, 388, 391, 401, 405, 411, 417, 421, 444, 447

Offset

1,1

Comments

The largest gap in the first 98000 digits is 145 -- the gap occurs between 8 and 4 at positions 236112 and 236258, respectively.

Links

Table of n, a(n) for n=1..53.

Example

a(1)=9 because the first digit of Pi (3) occurs in the 9th position of the decimal portion of Pi (141592653589793).
a(2)=37 because the second digit of Pi (1) occurs (after the 9th position) in the 37th position.

Crossrefs

Sequence in context: A041150 A042021 A137184 * A200774 A273220 A022276

Adjacent sequences: A153241 A153242 A153243 * A153245 A153246 A153247

Keyword

easy,nonn,base

Author

Gil Broussard, Dec 21 2008

Status

approved