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A139271 as a simple table

n a(n)
0 0
1 2
2 20
3 54
4 104
5 170
6 252
7 350
8 464
9 594
10 740
11 902
12 1080
13 1274
14 1484
15 1710
16 1952
17 2210
18 2484
19 2774
20 3080
21 3402
22 3740
23 4094
24 4464
25 4850
26 5252
27 5670
28 6104
29 6554
30 7020
31 7502
32 8000
33 8514
34 9044
35 9590
36 10152
37 10730
38 11324
39 11934
40 12560

[0,2,20,54,104,170,252,350,464,594,740,902,1080,
 1274,1484,1710,1952,2210,2484,2774,3080,3402,3740,
 4094,4464,4850,5252,5670,6104,6554,7020,7502,8000,
 8514,9044,9590,10152,10730,11324,11934,12560]

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Last modified April 24 18:03 EDT 2024. Contains 371962 sequences. (Running on oeis4.)