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A195688 as a simple table

na(n)
14
215
345
43016
57119
6700625
7424496
8569883075
9614724165
1029802502503
11147259295688
121582627794499
1318634518228117
141973646616563639
151146044323606678197
1641830280831514255267
17370889360592907981397560
1826770920007080137664392439

[4,15,45,3016,7119,700625,424496,569883075,
 614724165,29802502503,147259295688,1582627794499,
 18634518228117,1973646616563639,
 1146044323606678197,41830280831514255267,
 370889360592907981397560,
 26770920007080137664392439]