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A027658 as a simple table

n a(n)
0 1
1 4
2 12
3 31
4 71
5 147
6 280
7 498
8 837
9 1342
10 2068
11 3081
12 4459
13 6293
14 8688
15 11764
16 15657
17 20520
18 26524
19 33859
20 42735
21 53383
22 66056
23 81030
24 98605
25 119106
26 142884
27 170317
28 201811
29 237801
30 278752
31 325160
32 377553
33 436492
34 502572
35 576423
36 658711
37 750139
38 851448

[1,4,12,31,71,147,280,498,837,1342,2068,3081,4459,
 6293,8688,11764,15657,20520,26524,33859,42735,
 53383,66056,81030,98605,119106,142884,170317,
 201811,237801,278752,325160,377553,436492,502572,
 576423,658711,750139,851448]

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)