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

Author

Bobby Jacobs, Sep 25 2016

Keywords

• nonn
• base

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.

Examples

			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.

Extensions

More terms from Alois P. Heinz, Oct 02 2016