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A097919 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 13
6 35
7 92
8 246
9 646
10 1705
11 4475
12 11755
13 30790
14 80738
15 211424
16 553780
17 1449999
18 3796903
19 9940710
20 26027151
21 68140743
22 178399767
23 467059142
24 1222789414
25 3201309100
26 8381170779
27 21942203523
28 57445520528
29 150394362117
30 393737778753
31 1030818974142

[1,1,2,5,13,35,92,246,646,1705,4475,11755,30790,
 80738,211424,553780,1449999,3796903,9940710,
 26027151,68140743,178399767,467059142,1222789414,
 3201309100,8381170779,21942203523,57445520528,
 150394362117,393737778753,1030818974142]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)