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A087099 as a simple table

n a(n)
1 1
2 3
3 6
4 11
5 16
6 24
7 31
8 42
9 51
10 65
11 76
12 93
13 106
14 126
15 141
16 164
17 181
18 207
19 226
20 255
21 276
22 308
23 331
24 366
25 391
26 429
27 456
28 497
29 526
30 570
31 601
32 648
33 681
34 731
35 766
36 819
37 856
38 912
39 951
40 1010
41 1051
42 1113
43 1156
44 1221
45 1266
46 1334
47 1381
48 1452
49 1501
50 1575
51 1626

[1,3,6,11,16,24,31,42,51,65,76,93,106,126,141,164,
 181,207,226,255,276,308,331,366,391,429,456,497,
 526,570,601,648,681,731,766,819,856,912,951,1010,
 1051,1113,1156,1221,1266,1334,1381,1452,1501,1575,
 1626]

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Last modified June 5 16:19 EDT 2020. Contains 334852 sequences. (Running on oeis4.)