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A047964 as a simple table

n a(n)
0 1
1 4
2 10
3 20
4 34
5 53
6 77
7 106
8 138
9 170
10 206
11 251
12 305
13 359
14 408
15 463
16 532
17 610
18 684
19 753
20 830
21 918
22 1012
23 1106
24 1201
25 1302
26 1408
27 1521
28 1638
29 1755
30 1875
31 2002
32 2138
33 2273
34 2406
35 2549
36 2704
37 2861
38 3010
39 3163
40 3332
41 3508
42 3681
43 3853
44 4034
45 4221
46 4408

[1,4,10,20,34,53,77,106,138,170,206,251,305,359,
 408,463,532,610,684,753,830,918,1012,1106,1201,
 1302,1408,1521,1638,1755,1875,2002,2138,2273,2406,
 2549,2704,2861,3010,3163,3332,3508,3681,3853,4034,
 4221,4408]

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Last modified November 30 17:12 EST 2021. Contains 349424 sequences. (Running on oeis4.)