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A148445 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 17
5 49
6 170
7 563
8 1932
9 7030
10 25301
11 93316
12 352510
13 1328907
14 5104863
15 19787771
16 76973523
17 303046762
18 1198411018
19 4763383468
20 19074052627
21 76619234449
22 309290295334
23 1254304906918
24 5101316718791
25 20831445235339
26 85334661234543
27 350503839679277
28 1444195911346241
29 5964913563214104

[1,1,2,6,17,49,170,563,1932,7030,25301,93316,
 352510,1328907,5104863,19787771,76973523,
 303046762,1198411018,4763383468,19074052627,
 76619234449,309290295334,1254304906918,
 5101316718791,20831445235339,85334661234543,
 350503839679277,1444195911346241,5964913563214104]

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Last modified November 21 01:33 EST 2019. Contains 329349 sequences. (Running on oeis4.)