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A215502 as a simple table

n a(n)
0 4
1 1
2 13
3 13
4 73
5 121
6 481
7 1009
8 3361
9 7969
10 24193
11 61249
12 177025
13 464257
14 1307137
15 3493633
16 9699841
17 26190337
18 72173569
19 195941377
20 537802753
21 1464342529
22 4010582017
23 10937266177
24 29920862209
25 81665925121
26 223274237953
27 609678999553
28 1666309128193

[4,1,13,13,73,121,481,1009,3361,7969,24193,61249,
 177025,464257,1307137,3493633,9699841,26190337,
 72173569,195941377,537802753,1464342529,
 4010582017,10937266177,29920862209,81665925121,
 223274237953,609678999553,1666309128193]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)