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A156434 as a simple table

na(n)
11
22
34
411
557
61082
742354
82278938
9154294582
1012767337844
111267231350044
12148617033979348
1320331541618406216

[1,2,4,11,57,1082,42354,2278938,154294582,
 12767337844,1267231350044,148617033979348,
 20331541618406216]