|
Search: id:A079270
|
|
|
| A079270 |
|
Nonpalindromic squares n such that reverse(n) - n is a cube. |
|
+0
1
|
|
| 25, 36, 2304, 2377764, 4682896, 5934096, 108175867801, 1291266322921, 4261879482624, 5201569683025, 6562388864656, 12317369371321, 52608547580625
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
EXAMPLE
|
2304 is here since 4032-2304 = 1728 = 12^3.
|
|
MATHEMATICA
|
r[n_] := FromDigits[Reverse[IntegerDigits[n]]]; PalindromicQ[n_] := (r[n] == n); CubicQ[n_] := IntegerQ[n^(1/3)]; Do[k = n^2; If[ !PalindromicQ[k] && CubicQ[r[k] - k], Print[k]], {n, 3, 10^8}] (Propper)
|
|
CROSSREFS
|
Sequence in context: A167363 A035383 A061863 this_sequence A127022 A120148 A038516
Adjacent sequences: A079267 A079268 A079269 this_sequence A079271 A079272 A079273
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Jason Earls (zevi_35711(AT)yahoo.com), Feb 06 2003
|
|
EXTENSIONS
|
More terms from Ryan Propper (rpropper(AT)stanford.edu), Aug 29 2005
|
|
|
Search completed in 0.002 seconds
|
