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A001304 formatted as a simple table:

n a(n)
0 1
1 2
2 4
3 6
4 9
5 13
6 18
7 24
8 31
9 39
10 49
11 60
12 73
13 87
14 103
15 121
16 141
17 163
18 187
19 213
20 242
21 273
22 307
23 343
24 382
25 424
26 469
27 517
28 568
29 622
30 680
31 741
32 806
33 874
34 946
35 1022
36 1102
37 1186
38 1274
39 1366
40 1463
41 1564
42 1670
43 1780
44 1895

[1,2,4,6,9,13,18,24,31,39,49,60,73,87,103,121,141,
 163,187,213,242,273,307,343,382,424,469,517,568,
 622,680,741,806,874,946,1022,1102,1186,1274,1366,
 1463,1564,1670,1780,1895]

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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