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A274870 as a simple table

n a(n)
6 1
7 3
8 22
9 66
10 311
11 933
12 3632
13 10896
14 38337
15 115011
16 381594
17 1144782
18 3664507
19 10993521
20 34404964
21 103214892
22 318365333
23 955095999
24 2918309966
25 8754929898
26 26585715663
27 79757146989
28 241208177496
29 723624532488
30 2182538747689
31 6547616243067
32 19713018571138

[1,3,22,66,311,933,3632,10896,38337,115011,381594,
 1144782,3664507,10993521,34404964,103214892,
 318365333,955095999,2918309966,8754929898,
 26585715663,79757146989,241208177496,723624532488,
 2182538747689,6547616243067,19713018571138]

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Last modified April 20 00:26 EDT 2024. Contains 371798 sequences. (Running on oeis4.)