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A276686
First 4-digit number to appear n times in the decimal expansion of Pi.
7
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.
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)...
KEYWORD
nonn,base
AUTHOR
Bobby Jacobs, Sep 25 2016
EXTENSIONS
More terms from Alois P. Heinz, Oct 02 2016
STATUS
approved