Logo

A048518 formatted as a simple table:

n a(n)
0 1999
1 9199
2 338383
3 383833
4 1181881
5 1881181
6 1881811
7 2222929
8 2922229
9 8118181
10 8188111
11 8881111
12 9222229
13 15551551
14 15555151
15 15555511
16 16166611
17 16616161
18 33333373
19 33733333
20 34434343
21 44334343
22 44343433
23 51155551

[1999,9199,338383,383833,1181881,1881181,1881811,
 2222929,2922229,8118181,8188111,8881111,9222229,
 15551551,15555151,15555511,16166611,16616161,
 33333373,33733333,34434343,44334343,44343433,
 51155551]

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


AT&T Labs Research