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A276814 as a simple table

na(n)
1-3
2-4
36
4-5
522
6-30
7-6
836
916
10-168
11192
12-7
1354
1446
15-294
16-266
171428
18-1386
19-8
2076
2164
22-480
2330
24-832
252560
26-128
273520
28-12800
2910752
30-9
31102
3286
33-738
3478
35-1260
364356
37-594
38-558
3911484
40-23166
413564
42-42900
43118404
44-87516
45-10
46132
47112
48-1080
49100
50-1840
517040
5248
53-1680
54-800
5518240
56-40320
57-760
588640

[-3,-4,6,-5,22,-30,-6,36,16,-168,192,-7,54,46,
 -294,-266,1428,-1386,-8,76,64,-480,30,-832,2560,
 -128,3520,-12800,10752,-9,102,86,-738,78,-1260,
 4356,-594,-558,11484,-23166,3564,-42900,118404,
 -87516,-10,132,112,-1080,100,-1840,7040,48,-1680,
 -800,18240,-40320,-760,8640]