|
| |
|
|
A115657
|
|
Both n and the reverse of n are pentagonal numbers (A000326).
|
|
0
| |
|
|
1, 5, 22, 210, 287, 782, 1001, 2882, 7740, 15251, 77180, 565187, 720027, 781565, 7081807, 7451547, 26811862, 54177145, 206489067, 246214610, 760984602, 1050660501, 1085885801, 1528888251, 2642326276, 2911771192, 6726232462
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
