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A089621 as a simple table

n a(n)
1 3
2 19
3 86
4 263
5 636
6 1309
7 2418
8 4115
9 6584
10 10029
11 14672
12 20773
13 28602
14 38459
15 50672
16 65589
17 83580
18 105037
19 130388
20 160071
21 194554
22 234335
23 279924
24 331865
25 390722
26 457077
27 531544
28 614763
29 707390
30 810113
31 923648
32 1048707
33 1186058

[3,19,86,263,636,1309,2418,4115,6584,10029,14672,
 20773,28602,38459,50672,65589,83580,105037,130388,
 160071,194554,234335,279924,331865,390722,457077,
 531544,614763,707390,810113,923648,1048707,
 1186058]

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Last modified January 20 18:38 EST 2022. Contains 350472 sequences. (Running on oeis4.)