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A251937 as a simple table

n a(n)
1 18
2 115
3 431
4 1191
5 2695
6 5340
7 9615
8 16098
9 25474
10 38538
11 56176
12 79403
13 109350
14 147253
15 194487
16 252561
17 323091
18 407854
19 508767
20 627868
21 767366
22 929628
23 1117144
24 1332597
25 1578834
26 1858839
27 2175799
28 2533083
29 2934199
30 3382880
31 3883047
32 4438774

[18,115,431,1191,2695,5340,9615,16098,25474,38538,
 56176,79403,109350,147253,194487,252561,323091,
 407854,508767,627868,767366,929628,1117144,
 1332597,1578834,1858839,2175799,2533083,2934199,
 3382880,3883047,4438774]

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Last modified February 4 09:10 EST 2023. Contains 360046 sequences. (Running on oeis4.)