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A086863 as a simple table

n a(n)
1 4
2 22
3 66
4 137
5 238
6 370
7 533
8 727
9 953
10 1211
11 1500
12 1821
13 2174
14 2559
15 2976
16 3424
17 3905
18 4418
19 4962
20 5538
21 6147
22 6787
23 7460
24 8164
25 8900
26 9668
27 10469
28 11301
29 12165
30 13061
31 13989
32 14950
33 15942
34 16966
35 18022
36 19110
37 20230
38 21383
39 22567
40 23783

[4,22,66,137,238,370,533,727,953,1211,1500,1821,
 2174,2559,2976,3424,3905,4418,4962,5538,6147,6787,
 7460,8164,8900,9668,10469,11301,12165,13061,13989,
 14950,15942,16966,18022,19110,20230,21383,22567,
 23783]

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Last modified December 1 14:10 EST 2021. Contains 349430 sequences. (Running on oeis4.)