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A010981 as a simple table

n a(n)
28 1
29 29
30 435
31 4495
32 35960
33 237336
34 1344904
35 6724520
36 30260340
37 124403620
38 472733756
39 1676056044
40 5586853480
41 17620076360
42 52860229080
43 151532656696
44 416714805914
45 1103068603890
46 2818953098830
47 6973199770790
48 16735679449896
49 39049918716424
50 88749815264600

[1,29,435,4495,35960,237336,1344904,6724520,
 30260340,124403620,472733756,1676056044,
 5586853480,17620076360,52860229080,151532656696,
 416714805914,1103068603890,2818953098830,
 6973199770790,16735679449896,39049918716424,
 88749815264600]

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)