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A173256 as a simple table

n a(n)
1 0
2 1
3 3
4 7
5 12
6 20
7 29
8 39
9 52
10 68
11 85
12 103
13 123
14 148
15 174
16 203
17 235
18 269
19 305
20 342
21 382
22 423
23 468
24 517
25 567
26 619
27 672
28 730
29 791
30 855
31 920
32 988
33 1060
34 1133
35 1207
36 1287
37 1368
38 1450
39 1535
40 1624
41 1714
42 1811
43 1909
44 2009
45 2110
46 2214
47 2320
48 2429
49 2542
50 2658
51 2775

[0,1,3,7,12,20,29,39,52,68,85,103,123,148,174,203,
 235,269,305,342,382,423,468,517,567,619,672,730,
 791,855,920,988,1060,1133,1207,1287,1368,1450,
 1535,1624,1714,1811,1909,2009,2110,2214,2320,2429,
 2542,2658,2775]

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Last modified April 5 05:06 EDT 2020. Contains 333238 sequences. (Running on oeis4.)