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A081978 as a simple table

na(n)
11
23
30
46
50
628
70
866
936
10496
110
12276
130
148128
151631432881
16120
170
18300
190
20528
210
2238009927549623740385753
230
24630
250
2633550336
272172602007770041
288256
290
30209628
310
323570
330
348589869056
350
362016
370
38137438691328
390
403240
410
42662976
430
442096128
4541616

[1,3,0,6,0,28,0,66,36,496,0,276,0,8128,1631432881,
 120,0,300,0,528,0,38009927549623740385753,0,630,0,
 33550336,2172602007770041,8256,0,209628,0,3570,0,
 8589869056,0,2016,0,137438691328,0,3240,0,662976,
 0,2096128,41616]