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A004305 as a simple table

n a(n)
0 3
1 22
2 85
3 254
4 644
5 1448
6 2967
7 5645
8 10109
9 17214
10 28093
11 44212
12 67430
13 100064
14 144959
15 205563
16 286007
17 391190
18 526869
19 699754
20 917608
21 1189352
22 1525175
23 1936649
24 2436849
25 3040478
26 3763997
27 4625760
28 5646154
29 6847744
30 8255423
31 9896567
32 11801195
33 14002134
34 16535189
35 19439318
36 22756812
37 26533480
38 30818839

[3,22,85,254,644,1448,2967,5645,10109,17214,28093,
 44212,67430,100064,144959,205563,286007,391190,
 526869,699754,917608,1189352,1525175,1936649,
 2436849,3040478,3763997,4625760,5646154,6847744,
 8255423,9896567,11801195,14002134,16535189,
 19439318,22756812,26533480,30818839]

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Last modified April 5 18:26 EDT 2020. Contains 333246 sequences. (Running on oeis4.)