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A047957 as a simple table

n a(n)
0 1
1 4
2 12
3 23
4 37
5 52
6 74
7 107
8 143
9 183
10 223
11 262
12 311
13 373
14 435
15 500
16 562
17 623
18 697
19 789
20 884
21 975
22 1065
23 1154
24 1254
25 1371
26 1485
27 1603
28 1715
29 1828
30 1956
31 2096
32 2245
33 2397
34 2539
35 2679
36 2829
37 2991
38 3160
39 3339
40 3506
41 3665
42 3845
43 4035
44 4235
45 4447
46 4643

[1,4,12,23,37,52,74,107,143,183,223,262,311,373,
 435,500,562,623,697,789,884,975,1065,1154,1254,
 1371,1485,1603,1715,1828,1956,2096,2245,2397,2539,
 2679,2829,2991,3160,3339,3506,3665,3845,4035,4235,
 4447,4643]

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Last modified October 18 06:50 EDT 2021. Contains 348066 sequences. (Running on oeis4.)