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A026152 as a simple table

na(n)
21
34
410
529
681
7230
8652
91854
105278
1115048
1242956
13122772
14351300
151006344
162885952
178285001
1823809113
1968490060
20197211394
21568385609
221639635613
234734036134
2413679894484
2539562904855
26114507905551
27331674931656
28961408814434

[1,4,10,29,81,230,652,1854,5278,15048,42956,
 122772,351300,1006344,2885952,8285001,23809113,
 68490060,197211394,568385609,1639635613,
 4734036134,13679894484,39562904855,114507905551,
 331674931656,961408814434]