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A254092 as a simple table

na(n)
1512
23436
33436
422728
537961
622728
7148004
8437412
9438463
10148004
11977192
125131608
139231485
145146916
15977192
166446656
1760404379
18194360930
19194642351
2060605766
216446656
2242580424
23708989540
244070778350
257181975282
264074710828

[512,3436,3436,22728,37961,22728,148004,437412,
 438463,148004,977192,5131608,9231485,5146916,
 977192,6446656,60404379,194360930,194642351,
 60605766,6446656,42580424,708989540,4070778350,
 7181975282,4074710828]