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A193226 as a simple table

n a(n)
2 4
3 15
4 39
5 87
6 183
7 2071
8 1255
9 1527
10 3063
11 38551
12 12279
13 106327
14 49143
15 622231
16 1113823
17 1703767
18 1310695
19 9961111
20 3145719
21 39845527
22 12582903
23 310377127
24 50331639
25 2046816631
26 335544295
27 10603194271
28 23890747663
29 1610612727
30 44023413103

[4,15,39,87,183,2071,1255,1527,3063,38551,12279,
 106327,49143,622231,1113823,1703767,1310695,
 9961111,3145719,39845527,12582903,310377127,
 50331639,2046816631,335544295,10603194271,
 23890747663,1610612727,44023413103]

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Last modified August 19 22:01 EDT 2024. Contains 375310 sequences. (Running on oeis4.)