A276686 First 4-digit number to appear n times in the decimal expansion of Pi.

3141, 582, 9999, 2796, 6549, 2019, 2916, 8352, 5485, 5485, 5485, 5485, 5485, 5485, 5485, 1177, 1177, 5485, 1177, 3718, 5485, 5485, 1766, 1766, 5485, 4608, 4608, 4608, 4608, 4608, 5485, 5485, 504, 504, 504, 504, 504, 504, 504, 2103, 504, 504, 9479, 504, 504

Offset

1,1

Comments

Note that the sequence contains elements whose number of digits is less than 4. See example.

The first 3 appearances of a(3) = 9999 overlap in 999999.

Links

Table of n, a(n) for n=1..45.

Example

a(2) = 582 because "0582" is the first 4-digit number to appear 2 times in the decimal expansion of Pi = 3.1415926535897932384626433832795028841971693993751(0582)097494459230781\ 640628620899862803482534211706798214808651328230664709384460955(0582)...

Crossrefs

Cf. A000796, A096567, A276992, A276993, A277171, A290644, A291599, A291600.

Sequence in context: A172945 A172961 A172720 * A252215 A250760 A184452

Adjacent sequences: A276683 A276684 A276685 * A276687 A276688 A276689

Keyword

nonn,base

Author

Bobby Jacobs, Sep 25 2016

Extensions

More terms from Alois P. Heinz, Oct 02 2016

Status

approved