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A122498 as a simple table

n a(n)
1 4
2 9
3 21
4 49
5 65
6 86
7 265
8 1081
9 1897
10 2513
11 7739
12 97229
13 128801
14 299426
15 922111
16 1221537
17 2839729
18 62608681
19 338356945
20 53406819691
21 2066337330754
22 6363483400447
23 8429820731201
24 432062194544201
25 7190854504969591
26 12619069972000553
27 16716708595637087

[4,9,21,49,65,86,265,1081,1897,2513,7739,97229,
 128801,299426,922111,1221537,2839729,62608681,
 338356945,53406819691,2066337330754,6363483400447,
 8429820731201,432062194544201,7190854504969591,
 12619069972000553,16716708595637087]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)