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A187273 as a simple table

n a(n)
0 0
1 3
2 12
3 27
4 72
5 135
6 324
7 567
8 1296
9 2187
10 4860
11 8019
12 17496
13 28431
14 61236
15 98415
16 209952
17 334611
18 708588
19 1121931
20 2361960
21 3720087
22 7794468
23 12223143
24 25509168
25 39858075
26 82904796
27 129140163
28 267846264
29 416118303
30 860934420
31 1334448351
32 2754990144
33 4261625379
34 8781531084
35 13559717115
36 27894275208

[0,3,12,27,72,135,324,567,1296,2187,4860,8019,
 17496,28431,61236,98415,209952,334611,708588,
 1121931,2361960,3720087,7794468,12223143,25509168,
 39858075,82904796,129140163,267846264,416118303,
 860934420,1334448351,2754990144,4261625379,
 8781531084,13559717115,27894275208]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)