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A306610 as a simple table

n a(n)
1 4
2 24
3 109
4 524
5 2504
6 11979
7 57299
8 274084
9 1311049
10 6271254
11 29997829
12 143491199
13 686373809
14 3283190949
15 15704770004
16 75121978804
17 359337430474
18 1718849676159
19 8221921677724
20 39328626006254
21 188124003629279
22 899869747188249
23 4304424455586134

[4,24,109,524,2504,11979,57299,274084,1311049,
 6271254,29997829,143491199,686373809,3283190949,
 15704770004,75121978804,359337430474,
 1718849676159,8221921677724,39328626006254,
 188124003629279,899869747188249,4304424455586134]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)