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A120986 as a simple table

na(n)
01
12
21
35
46
51
614
728
812
91
1042
11120
1290
1320
141
15132
16495
17550
18220
1930
201
21429
222002
233003
241820
25455
2642
271
281430
298008
3015288
3112740
324900
33840
3456
351
364862
3731824
3874256
3979968
4042840
4111424
421428
4372
441
4516796
46125970
47348840
48465120
49325584

[1,2,1,5,6,1,14,28,12,1,42,120,90,20,1,132,495,
 550,220,30,1,429,2002,3003,1820,455,42,1,1430,
 8008,15288,12740,4900,840,56,1,4862,31824,74256,
 79968,42840,11424,1428,72,1,16796,125970,348840,
 465120,325584]