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A114982 as a simple table

n a(n)
0 0
1 3
2 9
3 26
4 78
5 234
6 702
7 2106
8 6318
9 18954
10 56862
11 170586
12 511758
13 1535274
14 4605822
15 13817466
16 41452398
17 124357194
18 373071582
19 1119214746
20 3357644238
21 10072932714
22 30218798142
23 90656394426
24 271969183278
25 815907549834

[0,3,9,26,78,234,702,2106,6318,18954,56862,170586,
 511758,1535274,4605822,13817466,41452398,
 124357194,373071582,1119214746,3357644238,
 10072932714,30218798142,90656394426,271969183278,
 815907549834]

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)