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A055998 as a simple table

n a(n)
0 0
1 3
2 7
3 12
4 18
5 25
6 33
7 42
8 52
9 63
10 75
11 88
12 102
13 117
14 133
15 150
16 168
17 187
18 207
19 228
20 250
21 273
22 297
23 322
24 348
25 375
26 403
27 432
28 462
29 493
30 525
31 558
32 592
33 627
34 663
35 700
36 738
37 777
38 817
39 858
40 900
41 943
42 987
43 1032
44 1078
45 1125
46 1173
47 1222
48 1272

[0,3,7,12,18,25,33,42,52,63,75,88,102,117,133,150,
 168,187,207,228,250,273,297,322,348,375,403,432,
 462,493,525,558,592,627,663,700,738,777,817,858,
 900,943,987,1032,1078,1125,1173,1222,1272]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)