|
Search: id:A035496
|
|
|
| A035496 |
|
Numbers of the form x*y^2 + y*z^2 + z*x^2, x,y,z >= 1. |
|
+0 1
|
|
| 3, 7, 13, 14, 21, 23, 24, 25, 31, 34, 38, 39, 40, 43, 47, 55, 56, 57, 59, 61, 62, 73, 78, 79, 80, 81, 82, 84, 89, 91, 93, 98, 104, 107, 109, 111, 112, 113, 115, 119, 121, 123, 133, 134, 136, 138, 139, 140, 142, 146, 147, 148, 150, 152, 155, 157, 163, 165, 166, 167
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
MATHEMATICA
|
Select[ Union[ Flatten[ Table[ x^2y+y^2z+z^2x, {x, 1, 13}, {y, 1, 13}, {z, 1, 13} ] ] ], #<14^2+14+1& ]
|
|
CROSSREFS
|
Adjacent sequences: A035493 A035494 A035495 this_sequence A035497 A035498 A035499
Sequence in context: A118889 A077149 A064829 this_sequence A056530 A092734 A002236
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com).
|
|
EXTENSIONS
|
More terms from Erich Friedman (erich.friedman(AT)stetson.edu)
|
|
|
Search completed in 0.002 seconds
|