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A200761 as a simple table

n a(n)
1 6
2 21
3 69
4 219
5 679
6 2070
7 6235
8 18608
9 55148
10 162532
11 476857
12 1393903
13 4061917
14 11805549
15 34234268
16 99079243
17 286255570
18 825770674
19 2378862529
20 6844519217
21 19671211354
22 56477811098
23 162002541976
24 464298401040
25 1329640943422

[6,21,69,219,679,2070,6235,18608,55148,162532,
 476857,1393903,4061917,11805549,34234268,99079243,
 286255570,825770674,2378862529,6844519217,
 19671211354,56477811098,162002541976,464298401040,
 1329640943422]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)