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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A193527 as a simple table

na(n)
-11
01
12
20
3-1
40
52
60
7-5
80
912
100
11-30
120
1382
140
15-233
160
17668
180
19-1949
200
215802
220
23-17503
240
2553302
260
27-163783
280
29507418
300
31-1582869
320
334966790
340
35-15667573
360
3749658264
380
39-158059506
400
41505013014
420
43-1619144976
440
455207596574

[1,1,2,0,-1,0,2,0,-5,0,12,0,-30,0,82,0,-233,0,668,
 0,-1949,0,5802,0,-17503,0,53302,0,-163783,0,
 507418,0,-1582869,0,4966790,0,-15667573,0,
 49658264,0,-158059506,0,505013014,0,-1619144976,0,
 5207596574]