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A249524 as a simple table

n a(n)
1 606
2 1572
3 4120
4 10834
5 28500
6 74886
7 196346
8 515066
9 1352304
10 3552428
11 9333678
12 24522392
13 64420184
14 169229954
15 444582618
16 1168011448
17 3068677974
18 8062255694
19 21181628238
20 55649517844
21 146205759750
22 384121780036
23 1009193088634

[606,1572,4120,10834,28500,74886,196346,515066,
 1352304,3552428,9333678,24522392,64420184,
 169229954,444582618,1168011448,3068677974,
 8062255694,21181628238,55649517844,146205759750,
 384121780036,1009193088634]

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Last modified December 6 03:19 EST 2021. Contains 349562 sequences. (Running on oeis4.)