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A086667
Triangular array, read by rows: T(n,k) = greatest decimal number of length k contained as a string in the first n positions of the decimal expansion of Pi, 1 <= k <= n.
0
3, 3, 31, 4, 31, 314, 4, 41, 314, 3141, 5, 41, 415, 3141, 31415, 9, 59, 415, 4159, 31415, 314159, 9, 92, 592, 4159, 41592, 314159, 3141592, 9, 92, 926, 5926, 41592, 415926, 3141592, 31415926, 9, 92, 926, 9265, 59265, 415926, 4159265, 31415926
OFFSET
1,1
COMMENTS
Conjecture: T(n,k) -> 10^k - 1.
LINKS
Dave Andersen, The Pi-Search Page.
Eric Weisstein's World of Mathematics, Pi.
EXAMPLE
Triangle begins:
3,
3, 31,
4, 31, 314,
4, 41, 314, 3141,
5, 41, 415, 3141, 31415,
...
CROSSREFS
Cf. A000796.
Sequence in context: A367890 A373740 A344934 * A067098 A188897 A088060
KEYWORD
nonn,base,tabl,changed
AUTHOR
Reinhard Zumkeller, Jul 27 2003
STATUS
approved