|
| |
| |
|
|
|
33, 88, 165, 264, 385, 528, 693, 880, 1089, 1320, 1573, 1848, 2145, 2464, 2805, 3168, 3553, 3960, 4389, 4840, 5313, 5808, 6325, 6864, 7425, 8008, 8613, 9240, 9889, 10560, 11253, 11968, 12705, 13464, 14245, 15048, 15873, 16720, 17589, 18480
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Numbers such that 11 (11 + n) is a perfect square.
|
|
|
LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (3,-3,1).
|
|
|
MATHEMATICA
| Select[ Range[20000], IntegerQ[ Sqrt[ 11(11 + # )]] & ]
|
|
|
PROG
| (PARI) a(n)=11*n*(n+2) \\ Charles R Greathouse IV, Dec 07 2011
|
|
|
CROSSREFS
| Cf. A067724-A067728 (if 11 is replaced by 3, 5, 6, 7, 8 respectively), A067707 (12).
Sequence in context: A039833 A080700 A080200 * A075213 A114069 A165378
Adjacent sequences: A067702 A067703 A067704 * A067706 A067707 A067708
|
|
|
KEYWORD
| nonn,easy
|
|
|
AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 05 2002
|
| |
|
|
