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A133264 formatted as a simple table:

n a(n)
0 1
1 4
2 7
3 19
4 49
5 79
6 199
7 499
8 799
9 1999
10 4999
11 7999
12 19999
13 49999
14 79999
15 199999
16 499999
17 799999
18 1999999
19 4999999
20 7999999
21 19999999
22 49999999
23 79999999
24 199999999
25 499999999
26 799999999
27 1999999999
28 4999999999
29 7999999999

[1,4,7,19,49,79,199,499,799,1999,4999,7999,19999,
 49999,79999,199999,499999,799999,1999999,4999999,
 7999999,19999999,49999999,79999999,199999999,
 499999999,799999999,1999999999,4999999999,
 7999999999]

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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