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A073621 as a simple table

n a(n)
1 4
2 10
3 18
4 27
5 39
6 49
7 63
8 78
9 94
10 112
11 132
12 153
13 175
14 200
15 224
16 250
17 224
18 250
19 278
20 305
21 335
22 368
23 400
24 434
25 469
26 505
27 543
28 582
29 622
30 664
31 708
32 753
33 799
34 847
35 896
36 946
37 998
38 1052
39 1104
40 1158
41 1214
42 1271
43 1329
44 1389
45 1452
46 1514
47 1578
48 1643
49 1711
50 1778
51 1846

[4,10,18,27,39,49,63,78,94,112,132,153,175,200,
 224,250,224,250,278,305,335,368,400,434,469,505,
 543,582,622,664,708,753,799,847,896,946,998,1052,
 1104,1158,1214,1271,1329,1389,1452,1514,1578,1643,
 1711,1778,1846]

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Last modified November 15 11:18 EST 2019. Contains 329144 sequences. (Running on oeis4.)