login
A076431
Perfect powers for which the two closest perfect powers are smaller.
2
9, 16, 36, 128, 144, 256, 361, 529, 1024, 1369, 1764, 2209, 2809, 3136, 3481, 5041, 5929, 6889, 8281, 9409, 10816, 12321, 13924, 16900, 17689, 19881, 22201, 24649, 27225, 29929, 33124, 36100, 39601, 43264, 51076, 55225, 59536, 64009, 69169
OFFSET
1,1
EXAMPLE
The two closest perfect powers to 9 are 8 (difference = 1) and 4 (difference =5). The third closest is 16 (difference = 7). Both 8 and 4 are smaller than 9, so 9 is in the list.
CROSSREFS
KEYWORD
nonn
AUTHOR
Neil Fernandez, Oct 10 2002
STATUS
approved