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A051630 formatted as a simple table:

n a(n)
0 1
1 0
2 2
3 2
4 4
5 5
6 9
7 9
8 15
9 17
10 23
11 27
12 36
13 39
14 51
15 57
16 69
17 78
18 94
19 102
20 122
21 134
22 154
23 170
24 195
25 210
26 240
27 260
28 290
29 315
30 351
31 375
32 417
33 447
34 489
35 525
36 574
37 609
38 665
39 707
40 763
41 812
42 876
43 924
44 996
45 1052
46 1124
47 1188
48 1269
49 1332
50 1422
51 1494
52 1584

[1,0,2,2,4,5,9,9,15,17,23,27,36,39,51,57,69,78,94,
 102,122,134,154,170,195,210,240,260,290,315,351,
 375,417,447,489,525,574,609,665,707,763,812,876,
 924,996,1052,1124,1188,1269,1332,1422,1494,1584]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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