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A030535 as a simple table

n a(n)
0 1
1 1
2 51
3 219
4 2244
5 12815
6 69615
7 303165
8 1180395
9 4052070
10 12706650
11 36580770
12 98256600
13 247786866
14 592040266
15 1347148374
16 2936245389
17 6154632399
18 12456241445
19 24415459445
20 46484089740
21 86164059465
22 155843612865
23 275546946795
24 477079706295
25 810057618396

[1,1,51,219,2244,12815,69615,303165,1180395,
 4052070,12706650,36580770,98256600,247786866,
 592040266,1347148374,2936245389,6154632399,
 12456241445,24415459445,46484089740,86164059465,
 155843612865,275546946795,477079706295,
 810057618396]

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Last modified October 15 22:25 EDT 2019. Contains 328038 sequences. (Running on oeis4.)