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A323687 as a simple table

n a(n)
0 1
1 3
2 13
3 101
4 31
5 1785
6 10359
7 48837
8 361601
9 1518439
10 8107655
11 45047205
12 22174877
13 1409934297
14 7923887063
15 58640750927
16 268411539971
17 1425834725577
18 8083997355233
19 45849429916389
20 253004366571229
21 1487729015517467
22 8443414161401399
23 48141245001933381
24 155779268193228419
25 1569245091203776687
26 8970232353224094279
27 51314027859988631817
28 292380695300170801437
29 1682471873186160627609
30 10085943474769129981125
31 55294491352291112750853

[1,3,13,101,31,1785,10359,48837,361601,1518439,
 8107655,45047205,22174877,1409934297,7923887063,
 58640750927,268411539971,1425834725577,
 8083997355233,45849429916389,253004366571229,
 1487729015517467,8443414161401399,
 48141245001933381,155779268193228419,
 1569245091203776687,8970232353224094279,
 51314027859988631817,292380695300170801437,
 1682471873186160627609,10085943474769129981125,
 55294491352291112750853]

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Last modified September 18 18:19 EDT 2021. Contains 347533 sequences. (Running on oeis4.)