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A022940 as a simple table

n a(n)
1 1
2 3
3 5
4 9
5 15
6 22
7 30
8 40
9 51
10 63
11 76
12 90
13 106
14 123
15 141
16 160
17 180
18 201
19 224
20 248
21 273
22 299
23 326
24 354
25 383
26 414
27 446
28 479
29 513
30 548
31 584
32 621
33 659
34 698
35 739
36 781
37 824
38 868
39 913
40 959
41 1006
42 1054
43 1103
44 1153
45 1205
46 1258
47 1312
48 1367
49 1423
50 1480

[1,3,5,9,15,22,30,40,51,63,76,90,106,123,141,160,
 180,201,224,248,273,299,326,354,383,414,446,479,
 513,548,584,621,659,698,739,781,824,868,913,959,
 1006,1054,1103,1153,1205,1258,1312,1367,1423,1480]

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Last modified October 17 08:36 EDT 2019. Contains 328107 sequences. (Running on oeis4.)