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A235999 as a simple table

na(n)
12
24
34
48
56
620
74
856
98
1088
1148
124
13176
14144
158
16272
17448
186
19428
201168
218
22688
232496
24384
254
261044
275416
281344
2912
301584
3110864
324608
334
342424
3521328
3613152
378
383800
3940096
4035616
418
425656
4376336
4484864
453840
4610
478952
48140248
49200224
5015360

[2,4,4,8,6,20,4,56,8,88,48,4,176,144,8,272,448,6,
 428,1168,8,688,2496,384,4,1044,5416,1344,12,1584,
 10864,4608,4,2424,21328,13152,8,3800,40096,35616,
 8,5656,76336,84864,3840,10,8952,140248,200224,
 15360]