login

A027571 as a simple table

na(n)
10
21
39
412
516
6919
71257
81262
91621
101706
11170706
12904280
131258182
147901014
158659929
1612458597
1717070706
1880472264
191616689803
201680689788
211705387643
227360311900
238032814139
248055329360
2512574461617
2616794058711
27165058650666
28844706005220
291250999800012
301255589965852

[0,1,9,12,16,919,1257,1262,1621,1706,170706,
 904280,1258182,7901014,8659929,12458597,17070706,
 80472264,1616689803,1680689788,1705387643,
 7360311900,8032814139,8055329360,12574461617,
 16794058711,165058650666,844706005220,
 1250999800012,1255589965852]