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A227235 as a simple table

n a(n)
1 1
2 3
3 7
4 16
5 38
6 96
7 262
8 767
9 2346
10 7315
11 22954
12 72239
13 228484
14 730470
15 2379669
16 7960733
17 27453387
18 97418566
19 353442491
20 1300699953
21 4821108695
22 17903653177
23 66375491706
24 245111697148
25 900578294735
26 3292301955863
27 11991348060873
28 43624020578230
29 159059383244035
30 583396507916927

[1,3,7,16,38,96,262,767,2346,7315,22954,72239,
 228484,730470,2379669,7960733,27453387,97418566,
 353442491,1300699953,4821108695,17903653177,
 66375491706,245111697148,900578294735,
 3292301955863,11991348060873,43624020578230,
 159059383244035,583396507916927]

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Last modified September 21 07:08 EDT 2019. Contains 327253 sequences. (Running on oeis4.)