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A076307 as a simple table

n a(n)
1 1
2 2
3 3
4 6
5 11
6 15
7 21
8 28
9 36
10 46
11 56
12 66
13 79
14 92
15 105
16 120
17 137
18 153
19 171
20 190
21 210
22 232
23 254
24 276
25 301
26 326
27 351
28 378
29 407
30 435
31 465
32 496
33 528
34 562
35 596
36 630
37 667
38 704
39 741
40 780
41 821
42 861
43 903
44 946
45 990
46 1036
47 1082
48 1128
49 1177
50 1226
51 1275
52 1326
53 1379
54 1431

[1,2,3,6,11,15,21,28,36,46,56,66,79,92,105,120,
 137,153,171,190,210,232,254,276,301,326,351,378,
 407,435,465,496,528,562,596,630,667,704,741,780,
 821,861,903,946,990,1036,1082,1128,1177,1226,1275,
 1326,1379,1431]

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Last modified February 28 23:19 EST 2020. Contains 332353 sequences. (Running on oeis4.)