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A074600 as a simple table

n a(n)
0 2
1 7
2 29
3 133
4 641
5 3157
6 15689
7 78253
8 390881
9 1953637
10 9766649
11 48830173
12 244144721
13 1220711317
14 6103532009
15 30517610893
16 152587956161
17 762939584197
18 3814697527769
19 19073486852413
20 95367432689201
21 476837160300277

[2,7,29,133,641,3157,15689,78253,390881,1953637,
 9766649,48830173,244144721,1220711317,6103532009,
 30517610893,152587956161,762939584197,
 3814697527769,19073486852413,95367432689201,
 476837160300277]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)