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A164468 as a simple table

n a(n)
4 13
5 20
6 30
7 45
8 67
9 99
10 146
11 215
12 316
13 464
14 681
15 999
16 1465
17 2148
18 3149
19 4616
20 6766
21 9917
22 14535
23 21303
24 31222
25 45759
26 67064
27 98288
28 144049
29 211115
30 309405
31 453456
32 664573
33 973980
34 1427438
35 2092013
36 3065995
37 4493435
38 6585450
39 9651447
40 14144884

[13,20,30,45,67,99,146,215,316,464,681,999,1465,
 2148,3149,4616,6766,9917,14535,21303,31222,45759,
 67064,98288,144049,211115,309405,453456,664573,
 973980,1427438,2092013,3065995,4493435,6585450,
 9651447,14144884]

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Last modified July 28 19:33 EDT 2021. Contains 346335 sequences. (Running on oeis4.)