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Revision History for A242901

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Showing all changes.
Smallest m such that A242885(m) = n.
(history; published version)
#4 by Reinhard Zumkeller at Mon May 26 21:14:31 EDT 2014
STATUS

editing

approved

#3 by Reinhard Zumkeller at Mon May 26 21:13:44 EDT 2014
NAME

Smallest m such that A242885(m) = n.

LINKS

Reinhard Zumkeller, <a href="/A242901/b242901.txt">Table of n, a(n) for n = 1..660</a>

EXAMPLE

n = 3: a(3) = 6, 3^3 + 6^6 = 46683 = (3+6) * 5187;

n = 4: a(4) = 4, 4^4 + 4^4 = 512 = (4+4) * 64;

n = 5: a(5) = 10, 5^5 + 10^10 = 10000003125 = (5+10) * 666666875;

n = 6: a(6) = 26, 6^6 + 26^26 = 6156119580207157310796674288400250432 = (6+26) * 192378736881473665962396071512507826.

#2 by Reinhard Zumkeller at Sun May 25 22:30:31 EDT 2014
NAME

allocated for Reinhard Zumkeller Smallest m such that A242885(m) = n.

DATA

1, 2, 6, 4, 10, 26, 46, 50, 36, 22, 110, 52, 88, 14, 140, 16, 34, 32, 76, 44, 168, 106, 146, 104, 100, 38, 522, 196, 64, 130, 3256, 224, 280, 94, 308, 526, 400, 266, 1026, 250, 386, 86, 298, 212, 438, 466, 674, 208, 1666, 200, 1236, 304, 424, 202, 550, 728

OFFSET

1,2

COMMENTS

A242885(a(n)) = n and A242885(m) <> n for m < a(n);

n + a(n) is a divisor of n^n + a(n)^a(n).

PROG

(Haskell)

a242901 = (+ 1) . fromJust . (`elemIndex` a242885_list)

KEYWORD

allocated

nonn

AUTHOR

Reinhard Zumkeller, May 25 2014

STATUS

approved

editing

#1 by Reinhard Zumkeller at Sun May 25 19:40:13 EDT 2014
NAME

allocated for Reinhard Zumkeller

KEYWORD

allocated

STATUS

approved