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A122734 as a simple table

n a(n)
10 0
11 0
12 0
13 0
14 0
15 5
16 17
17 38
18 86
19 365
20 1575
21 11904
22 249324
23 14103554
24 5358891212
25 19563802362362
26 3359230167951559162
27 181335944930584275675837231
28 54416647690014492928933662292768862601
29 6605721238793689879501639879905020611382966457124102349
30 360539645288616164606228883801608423987740093330992456820074646988075733781888309

[0,0,0,0,0,5,17,38,86,365,1575,11904,249324,
 14103554,5358891212,19563802362362,
 3359230167951559162,181335944930584275675837231,
 54416647690014492928933662292768862601,
 66057212387936898795016398799050206113829664571241\
 02349,
 36053964528861616460622888380160842398774009333099\
 2456820074646988075733781888309]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)