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A048634 as a simple table

n a(n)
0 0
1 0
2 1
3 0
4 1
5 1
6 1
7 2
8 3
9 5
10 13
11 44
12 233
13 3073
14 135445
15 31561758
16 96989417779
17 13136731722638413
18 414618347540933702027833
19 40213592128486236142855326045681320
20 528275171395527518169753769210241662354568290572993

[0,0,1,0,1,1,1,2,3,5,13,44,233,3073,135445,
 31561758,96989417779,13136731722638413,
 414618347540933702027833,
 40213592128486236142855326045681320,
 52827517139552751816975376921024166235456829057299\
 3]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)