|
| |
|
|
A119130
|
|
Triangular numbers composed of digits {1,4,9}.
|
|
2
|
|
|
|
1, 91, 49141, 144991, 94414411, 941194191, 1194944941, 491919414441, 9999119991411411, 4149449911949149941, 11144994144991949991, 191444491991911949911, 144949944191119411441191, 9449441991199141999494149499499111914141
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
