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A171972 as a simple table

n a(n)
0 0
1 1
2 6
3 15
4 27
5 43
6 62
7 84
8 110
9 140
10 173
11 209
12 249
13 292
14 339
15 389
16 443
17 500
18 561
19 625
20 692
21 763
22 838
23 916
24 997
25 1082
26 1170
27 1262
28 1357
29 1456
30 1558
31 1664
32 1773
33 1886
34 2002
35 2121
36 2244
37 2371
38 2501
39 2634
40 2771
41 2911
42 3055
43 3202
44 3353
45 3507
46 3665
47 3826
48 3990
49 4158

[0,1,6,15,27,43,62,84,110,140,173,209,249,292,339,
 389,443,500,561,625,692,763,838,916,997,1082,1170,
 1262,1357,1456,1558,1664,1773,1886,2002,2121,2244,
 2371,2501,2634,2771,2911,3055,3202,3353,3507,3665,
 3826,3990,4158]

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Last modified September 24 23:13 EDT 2020. Contains 337325 sequences. (Running on oeis4.)