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A189942 as a simple table

na(n)
21
32
45
54
614
712
842
936
1022
11132
12108
13100
14429
15349
16315
17172
181430
191144
201028
21980
224862
233868
243432
253240
261651
2716796
2813260
2911700
3010920
3110584
3258786
3346210
3440520
3537556
3636036
3718028
38208012
39162792
40142120
41130900
42124740
43121968

[1,2,5,4,14,12,42,36,22,132,108,100,429,349,315,
 172,1430,1144,1028,980,4862,3868,3432,3240,1651,
 16796,13260,11700,10920,10584,58786,46210,40520,
 37556,36036,18028,208012,162792,142120,130900,
 124740,121968]