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A081186 as a simple table

n a(n)
0 1
1 4
2 17
3 76
4 353
5 1684
6 8177
7 40156
8 198593
9 986404
10 4912337
11 24502636
12 122336033
13 611148724
14 3054149297
15 15265963516
16 76315468673
17 381534296644
18 1907542343057
19 9537324294796
20 47685459212513
21 238423809278164
22 1192108586037617
23 5960511549128476

[1,4,17,76,353,1684,8177,40156,198593,986404,
 4912337,24502636,122336033,611148724,3054149297,
 15265963516,76315468673,381534296644,
 1907542343057,9537324294796,47685459212513,
 238423809278164,1192108586037617,5960511549128476]

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Last modified April 16 09:52 EDT 2024. Contains 371698 sequences. (Running on oeis4.)