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A085699 Smallest multiple of n such that a(n) + a(n-1) is an n-th power. 0
1, 8, 117, 508, 32260, 229884, 19257287 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

a(8) does not exist because no 8-th power is congruent to a(7)=19257287 (mod 8).

EXAMPLE

1, 1+8, 8+117, 117+508 give 1,9,125,625... which are 1,3^2,5^3,5^4,...

CROSSREFS

Sequence in context: A113670 A156468 A056988 * A046914 A194494 A116008

Adjacent sequences:  A085696 A085697 A085698 * A085700 A085701 A085702

KEYWORD

fini,full,nonn

AUTHOR

Amarnath Murthy, Jason Earls (zevi_35711(AT)yahoo.com), Jul 18 2003

EXTENSIONS

Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Jul 20 2003

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Last modified February 13 17:55 EST 2012. Contains 205525 sequences.