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A164648 as a simple table

na(n)
140859
248505
354385
4121771
5156125
6565607
71154419
81219933
91294363
102448397
113590461
129710975
1316067363
1416069573
1517984515
1619013455
1721341755
1825804115
1926515223
2027656155
2129655415
2230372605
2332101255
2434467653
2536546355
2638043943
2738645981
2839559219

[40859,48505,54385,121771,156125,565607,1154419,
 1219933,1294363,2448397,3590461,9710975,16067363,
 16069573,17984515,19013455,21341755,25804115,
 26515223,27656155,29655415,30372605,32101255,
 34467653,36546355,38043943,38645981,39559219]