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A033606 as a simple table

n a(n)
0 1
1 4
2 9
3 17
4 27
5 39
6 56
7 77
8 100
9 126
10 157
11 191
12 225
13 261
14 301
15 345
16 397
17 454
18 505
19 558
20 620
21 682
22 747
23 817
24 888
25 967
26 1050
27 1126
28 1207
29 1298
30 1389
31 1487
32 1588
33 1682
34 1783
35 1894
36 2002
37 2111
38 2229
39 2349
40 2473
41 2600
42 2720
43 2848
44 2990
45 3127
46 3266
47 3415
48 3558

[1,4,9,17,27,39,56,77,100,126,157,191,225,261,301,
 345,397,454,505,558,620,682,747,817,888,967,1050,
 1126,1207,1298,1389,1487,1588,1682,1783,1894,2002,
 2111,2229,2349,2473,2600,2720,2848,2990,3127,3266,
 3415,3558]

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Last modified September 22 13:48 EDT 2023. Contains 365531 sequences. (Running on oeis4.)