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A128876 formatted as a simple table:

n a(n)
0 1
1 9
2 109
3 990
4 1099
5 99900
6 100999
7 1008891
8 1109890
9 9888011
10 50549945
11 212087791
12 1110988900
13 9099998991
14 10210987891
15 100998890010
16 1020199887991
17 1121198778001
18 12232187668001
19 50049949450005
20 212431985468021

[1,9,109,990,1099,99900,100999,1008891,1109890,
 9888011,50549945,212087791,1110988900,9099998991,
 10210987891,100998890010,1020199887991,
 1121198778001,12232187668001,50049949450005,
 212431985468021]

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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