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A000969 as a simple table

n a(n)
0 1
1 3
2 7
3 12
4 18
5 26
6 35
7 45
8 57
9 70
10 84
11 100
12 117
13 135
14 155
15 176
16 198
17 222
18 247
19 273
20 301
21 330
22 360
23 392
24 425
25 459
26 495
27 532
28 570
29 610
30 651
31 693
32 737
33 782
34 828
35 876
36 925
37 975
38 1027
39 1080
40 1134
41 1190
42 1247
43 1305
44 1365
45 1426
46 1488
47 1552
48 1617
49 1683
50 1751
51 1820
52 1890

[1,3,7,12,18,26,35,45,57,70,84,100,117,135,155,
 176,198,222,247,273,301,330,360,392,425,459,495,
 532,570,610,651,693,737,782,828,876,925,975,1027,
 1080,1134,1190,1247,1305,1365,1426,1488,1552,1617,
 1683,1751,1820,1890]

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Last modified April 20 09:30 EDT 2014. Contains 240779 sequences.