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A090965 as a simple table

n a(n)
0 1
1 4
2 28
3 208
4 1552
5 11584
6 86464
7 645376
8 4817152
9 35955712
10 268377088
11 2003193856
12 14952042496
13 111603564544
14 833020346368
15 6217748512768
16 46409906716672
17 346408259682304
18 2585626450591744
19 19299378566004736

[1,4,28,208,1552,11584,86464,645376,4817152,
 35955712,268377088,2003193856,14952042496,
 111603564544,833020346368,6217748512768,
 46409906716672,346408259682304,2585626450591744,
 19299378566004736]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)