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A090027 as a simple table

n a(n)
0 0
1 31
2 211
3 961
4 2851
5 7471
6 15541
7 31471
8 55651
9 95821
10 152041
11 239791
12 351331
13 517831
14 723241
15 1007041
16 1352041
17 1821721
18 2359051
19 3082921
20 3904081
21 4956901
22 6151651
23 7677901
24 9334261
25 11445361
26 13746181
27 16566691
28 19644031
29 23432851
30 27408331
31 32333581

[0,31,211,961,2851,7471,15541,31471,55651,95821,
 152041,239791,351331,517831,723241,1007041,
 1352041,1821721,2359051,3082921,3904081,4956901,
 6151651,7677901,9334261,11445361,13746181,
 16566691,19644031,23432851,27408331,32333581]

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Last modified July 23 22:20 EDT 2021. Contains 346265 sequences. (Running on oeis4.)