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A190021 as a simple table

n a(n)
1 0
2 0
3 2
4 8
5 23
6 51
7 101
8 179
9 295
10 460
11 688
12 988
13 1382
14 1876
15 2495
16 3258
17 4191
18 5298
19 6613
20 8166
21 9973
22 12065
23 14472
24 17208
25 20341
26 23873
27 27838
28 32282
29 37238
30 42734
31 48840
32 55573
33 62973
34 71067
35 79934
36 89640
37 100172
38 111613
39 123959
40 137336
41 151842

[0,0,2,8,23,51,101,179,295,460,688,988,1382,1876,
 2495,3258,4191,5298,6613,8166,9973,12065,14472,
 17208,20341,23873,27838,32282,37238,42734,48840,
 55573,62973,71067,79934,89640,100172,111613,
 123959,137336,151842]

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Last modified February 22 23:03 EST 2019. Contains 320411 sequences. (Running on oeis4.)