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A009877 as a simple table

n a(n)
0 1
1 4
2 10
3 18
4 28
5 45
6 65
7 84
8 106
9 134
10 173
11 216
12 252
13 286
14 327
15 378
16 434
17 490
18 552
19 620
20 689
21 760
22 830
23 902
24 977
25 1056
26 1149
27 1254
28 1361
29 1461
30 1552
31 1644
32 1747
33 1861
34 1978
35 2094
36 2221
37 2365
38 2506
39 2628
40 2746
41 2884
42 3035
43 3178
44 3310
45 3455
46 3639
47 3837

[1,4,10,18,28,45,65,84,106,134,173,216,252,286,
 327,378,434,490,552,620,689,760,830,902,977,1056,
 1149,1254,1361,1461,1552,1644,1747,1861,1978,2094,
 2221,2365,2506,2628,2746,2884,3035,3178,3310,3455,
 3639,3837]

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Last modified May 31 13:01 EDT 2020. Contains 334748 sequences. (Running on oeis4.)