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A149765 as a simple table

n a(n)
0 1
1 1
2 5
3 19
4 73
5 299
6 1267
7 5449
8 23695
9 103995
10 460999
11 2057741
12 9236055
13 41657127
14 188679191
15 857797317
16 3912417293
17 17895491719
18 82064705529
19 377194431957
20 1737324513829
21 8017121194781
22 37060041395185
23 171586518757705
24 795600298681499
25 3693979078245015
26 17172711550371335
27 79926395247466553

[1,1,5,19,73,299,1267,5449,23695,103995,460999,
 2057741,9236055,41657127,188679191,857797317,
 3912417293,17895491719,82064705529,377194431957,
 1737324513829,8017121194781,37060041395185,
 171586518757705,795600298681499,3693979078245015,
 17172711550371335,79926395247466553]

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Last modified February 25 13:12 EST 2024. Contains 370330 sequences. (Running on oeis4.)