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A109032 a(n) is the largest number such that when written in base n, for each possible k, the number having the first k digits of a(n) is divisible by k. 5
2, 510, 10801, 8002800, 328224963, 543132112659030, 1625617313969282, 976950495904635536636, 3608528850368400786036725, 633984966211379026884314402, 830642837707972528309709136652, 311178293035966860075741106050464008245, 418859156568815767928583230192107024079856024 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
COMMENTS
This is not monotonic: a(14) > a(15).
LINKS
MathStackExchange, Find the largest number having this property, Jan 2013.
A. Mihailovs, Ponder This.
smit0399, veeldeelbaarheid (in Dutch).
CROSSREFS
Cf. A109783.
Sequence in context: A024032 A172232 A253706 * A362539 A109111 A004886
KEYWORD
nonn,base
AUTHOR
Don Reble, Aug 17 2005
EXTENSIONS
a(13)-a(32) from Karl W. Heuer, Jan 08 2015
STATUS
approved

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Last modified May 6 18:53 EDT 2024. Contains 372297 sequences. (Running on oeis4.)