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A025554 as a simple table

n a(n)
1 1
2 0
3 1
4 1
5 2
6 7
7 17
8 107
9 113
10 329
11 334
12 3644
13 3659
14 47462
15 95029
16 94973
17 95001
18 1614765
19 1614891
20 30681669
21 30682299
22 30681969
23 30682134
24 705687102
25 705688092
26 3528437886
27 3528439173
28 10585315517
29 10585316518
30 306974164007
31 613948343029

[1,0,1,1,2,7,17,107,113,329,334,3644,3659,47462,
 95029,94973,95001,1614765,1614891,30681669,
 30682299,30681969,30682134,705687102,705688092,
 3528437886,3528439173,10585315517,10585316518,
 306974164007,613948343029]

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Last modified October 28 07:11 EDT 2021. Contains 348320 sequences. (Running on oeis4.)