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A028987 formatted as a simple table:

n a(n)
0 4
1 6
2 8
3 44
4 444
5 888
6 2222
7 8888
8 444444
9 888888
10 444444444
11 888888888
12 444444444444
13 888888888888
14 222222222222222222
15 444444444444444444444444444444
16 44444444444444444444444444444444

[4,6,8,44,444,888,2222,8888,444444,888888,
 444444444,888888888,444444444444,888888888888,
 222222222222222222,444444444444444444444444444444,
 44444444444444444444444444444444]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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