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A261878 as a simple table

n a(n)
1 1
2 2
3 4
4 7
5 11
6 15
7 21
8 28
9 36
10 45
11 55
12 64
13 76
14 89
15 103
16 118
17 134
18 151
19 169
20 187
21 207
22 228
23 250
24 273
25 297
26 322
27 348
28 375
29 403
30 432
31 462
32 493
33 525
34 558
35 592
36 627
37 663
38 700
39 738
40 777
41 817
42 858
43 900
44 943
45 987
46 1032
47 1078
48 1125
49 1173
50 1222
51 1272
52 1323
53 1375
54 1428
55 1482
56 1537
57 1593
58 1650
59 1708
60 1767

[1,2,4,7,11,15,21,28,36,45,55,64,76,89,103,118,
 134,151,169,187,207,228,250,273,297,322,348,375,
 403,432,462,493,525,558,592,627,663,700,738,777,
 817,858,900,943,987,1032,1078,1125,1173,1222,1272,
 1323,1375,1428,1482,1537,1593,1650,1708,1767]

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Last modified May 12 14:54 EDT 2024. Contains 372482 sequences. (Running on oeis4.)