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A049989 as a simple table

n a(n)
1 1
2 3
3 6
4 10
5 14
6 21
7 26
8 33
9 42
10 51
11 58
12 72
13 80
14 91
15 107
16 120
17 130
18 150
19 161
20 178
21 199
22 215
23 228
24 255
25 272
26 290
27 316
28 338
29 354
30 389
31 406
32 429
33 460
34 483
35 508
36 549
37 569
38 594
39 630
40 663
41 685
42 731
43 754
44 785
45 833
46 863
47 888
48 940
49 969
50 1007
51 1054
52 1090
53 1118
54 1175
55 1212
56 1253
57 1305
58 1342
59 1373
60 1444
61 1476
62 1515
63 1577
64 1621

[1,3,6,10,14,21,26,33,42,51,58,72,80,91,107,120,
 130,150,161,178,199,215,228,255,272,290,316,338,
 354,389,406,429,460,483,508,549,569,594,630,663,
 685,731,754,785,833,863,888,940,969,1007,1054,
 1090,1118,1175,1212,1253,1305,1342,1373,1444,1476,
 1515,1577,1621]

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Last modified August 27 01:48 EDT 2024. Contains 375462 sequences. (Running on oeis4.)