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A302966 as a simple table

n a(n)
1 4
2 32
3 154
4 786
5 3924
6 19868
7 100161
8 505908
9 2554201
10 12898093
11 65130456
12 328890172
13 1660800969
14 8386586118
15 42349950959
16 213855666444
17 1079912639341
18 5453263882696
19 27537493309346
20 139056822182155
21 702198983497508

[4,32,154,786,3924,19868,100161,505908,2554201,
 12898093,65130456,328890172,1660800969,8386586118,
 42349950959,213855666444,1079912639341,
 5453263882696,27537493309346,139056822182155,
 702198983497508]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)