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A138920 formatted as a simple table:

n a(n)
1 4
2 5
3 7
4 12
5 19
6 24
7 31
8 36
9 38
10 46
11 48
12 53
13 67
14 75
15 78
16 120
17 186
18 196
19 293
20 320
21 327
22 369
23 634
24 641
25 713
26 770
27 931

[4,5,7,12,19,24,31,36,38,46,48,53,67,75,78,120,
 186,196,293,320,327,369,634,641,713,770,931]

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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