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A089960 formatted as a simple table:

n a(n)
1 1
2 4
3 6
4 7
5 9
6 12
7 14
8 17
9 20
10 22
11 25
12 27
13 28
14 30
15 33
16 34
17 35
18 38
19 40
20 41
21 43
22 46
23 48
24 49
25 51
26 54 

[1,4,6,7,9,12,14,17,20,22,25,27,28,30,33,34,35,38,
 40,41,43,46,48,49,51,54]

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Last modified December 20 13:50 EST 2009. Contains 171054 sequences.

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