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A072297 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 2
6 6
7 10
8 23
9 48
10 99
11 194
12 392
13 791
14 1600
15 3290
16 6810
17 13900
18 28269
19 57455
20 116213
21 234237
22 470861
23 945510
24 1897007
25 3802257
26 7616206
27 15244011
28 30493702
29 60965480
30 121838430
31 243409121
32 486131077
33 970680425
34 1937876841
35 3868346975

[0,0,0,1,2,6,10,23,48,99,194,392,791,1600,3290,
 6810,13900,28269,57455,116213,234237,470861,
 945510,1897007,3802257,7616206,15244011,30493702,
 60965480,121838430,243409121,486131077,970680425,
 1937876841,3868346975]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)