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A216949 as a simple table

n a(n)
0 1
1 1
2 3
3 11
4 45
5 197
6 895
7 4143
8 19353
9 90793
10 426811
11 2008307
12 9454021
13 44513581
14 209609143
15 987068631
16 4648293425
17 21889908177
18 103085198195
19 485455690843
20 2286142563933
21 10766070546453
22 50700381312751
23 238762035742207
24 1124396126301641
25 5295090872259961

[1,1,3,11,45,197,895,4143,19353,90793,426811,
 2008307,9454021,44513581,209609143,987068631,
 4648293425,21889908177,103085198195,485455690843,
 2286142563933,10766070546453,50700381312751,
 238762035742207,1124396126301641,5295090872259961]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)