|
| |
|
|
A124076
|
|
Numbers of the form Abs[m^m - n^n], where integers m,n>0.
|
|
0
| |
|
|
0, 3, 23, 26, 229, 252, 255, 2869, 3098, 3121, 3124, 43531, 46400, 46629, 46652, 46655, 776887, 820418, 823287, 823516, 823539, 823542, 15953673, 16730560, 16774091, 16776960, 16777189, 16777212, 16777215, 370643273, 386596946
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| Prime a(n) are listed in A068146(n) = {3, 23, 229, 3121, 776887, 16774091, 275311670611, ...}.
|
|
|
MATHEMATICA
| Take[Intersection[Flatten[Table[Abs[x^x-y^y], {x, 1, 12}, {y, 1, 12}]]], 50]
|
|
|
CROSSREFS
| Cf. A066846 = Integers of the form m^m + n^n, m and n = positive integers. Cf. A068146 = Primes of the form a^a - b^b.
Sequence in context: A157819 A122902 A178177 * A153834 A153707 A153708
Adjacent sequences: A124073 A124074 A124075 * A124077 A124078 A124079
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Alexander Adamchuk (alex(AT)kolmogorov.com), Nov 24 2006
|
| |
|
|