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A301025 as a simple table

n a(n)
0 1
1 4
2 9
3 18
4 29
5 48
6 72
7 94
8 124
9 156
10 192
11 236
12 278
13 324
14 376
15 432
16 496
17 556
18 618
19 694
20 768
21 850
22 932
23 1010
24 1106
25 1198
26 1300
27 1404
28 1498
29 1614
30 1726
31 1846
32 1970
33 2082
34 2216
35 2350
36 2490
37 2632
38 2762
39 2914
40 3070
41 3228
42 3388
43 3540
44 3710
45 3884
46 4062

[1,4,9,18,29,48,72,94,124,156,192,236,278,324,376,
 432,496,556,618,694,768,850,932,1010,1106,1198,
 1300,1404,1498,1614,1726,1846,1970,2082,2216,2350,
 2490,2632,2762,2914,3070,3228,3388,3540,3710,3884,
 4062]

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Last modified December 6 13:05 EST 2021. Contains 349563 sequences. (Running on oeis4.)