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A006148 as a simple table

n a(n)
0 1
1 5
2 22
3 87
4 317
5 1053
6 3250
7 9343
8 25207
9 64167
10 155004
11 357009
12 787586
13 1670643
14 3419552
15 6774765
16 13027340
17 24372942
18 44462456
19 79240762
20 138204782
21 236258358
22 396409924
23 653639898
24 1060379169
25 1694174350
26 2668300758
27 4146300078
28 6361709115
29 9644583474

[1,5,22,87,317,1053,3250,9343,25207,64167,155004,
 357009,787586,1670643,3419552,6774765,13027340,
 24372942,44462456,79240762,138204782,236258358,
 396409924,653639898,1060379169,1694174350,
 2668300758,4146300078,6361709115,9644583474]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)