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A001304 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
45 2015
46 2140
47 2270
48 2405
49 2545
50 2691
51 2842

[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,
 1463,1564,1670,1780,1895,2015,2140,2270,2405,2545,
 2691,2842]

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Last modified November 15 18:53 EST 2018. Contains 317240 sequences. (Running on oeis4.)