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A022188 as a simple table

na(n)
01
11
21
31
425
51
61
7601
8601
91
101
1114425
12346777
1314425
141
151
16346201
17199757977
18199757977
19346201
201
211
228308825
23115060940953
242761654032025
25115060940953
268308825
271
281
29199411801
3066275110297753
3138177220399654553

[1,1,1,1,25,1,1,601,601,1,1,14425,346777,14425,1,
 1,346201,199757977,199757977,346201,1,1,8308825,
 115060940953,2761654032025,115060940953,8308825,1,
 1,199411801,66275110297753,38177220399654553]