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A148148 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 11
5 29
6 96
7 298
8 1054
9 3583
10 13186
11 47814
12 181866
13 689996
14 2694846
15 10555991
16 42124128
17 168981868
18 686507904
19 2805640764
20 11570860322
21 47999433566
22 200491056182
23 841954166578
24 3555238501487
25 15084229335206
26 64293966708470
27 275188404585194
28 1182506179100655
29 5099853474975899

[1,1,2,4,11,29,96,298,1054,3583,13186,47814,
 181866,689996,2694846,10555991,42124128,168981868,
 686507904,2805640764,11570860322,47999433566,
 200491056182,841954166578,3555238501487,
 15084229335206,64293966708470,275188404585194,
 1182506179100655,5099853474975899]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)