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A151224 as a simple table

n a(n)
0 1
1 3
2 13
3 57
4 269
5 1263
6 6087
7 29353
8 143181
9 699193
10 3434479
11 16889777
12 83336909
13 411613143
14 2037184517
15 10091009051
16 50051745221
17 248426942387
18 1234175744599
19 6134692833341
20 30513666460305
21 151840379791795
22 755948217025833
23 3764882415978347
24 18757386744070867
25 93480023140520929

[1,3,13,57,269,1263,6087,29353,143181,699193,
 3434479,16889777,83336909,411613143,2037184517,
 10091009051,50051745221,248426942387,
 1234175744599,6134692833341,30513666460305,
 151840379791795,755948217025833,3764882415978347,
 18757386744070867,93480023140520929]

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Last modified August 14 04:13 EDT 2020. Contains 336477 sequences. (Running on oeis4.)