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A005218 as a simple table

n a(n)
1 0
2 0
3 1
4 1
5 3
6 4
7 11
8 21
9 55
10 124
11 327
12 815
13 2177
14 5712
15 15465
16 41727
17 114291
18 313504
19 866963
20 2404251
21 6701321
22 18733340
23 52557441
24 147849031
25 417080105
26 1179355476
27 3342487033
28 9492629497
29 27011665839
30 77000574224

[0,0,1,1,3,4,11,21,55,124,327,815,2177,5712,15465,
 41727,114291,313504,866963,2404251,6701321,
 18733340,52557441,147849031,417080105,1179355476,
 3342487033,9492629497,27011665839,77000574224]

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Last modified March 28 21:57 EDT 2024. Contains 371254 sequences. (Running on oeis4.)