login

A087449 as a simple table

na(n)
01
14
219
391
4427
51963
68875
739595
8174763
9764587
103320491
1114330539
1261516459
13262843051
141118481067
154742359723
1620043180715
1784467690155
18355050629803
191488921995947
206230565890731
2126021775190699
22108485147273899

[1,4,19,91,427,1963,8875,39595,174763,764587,
 3320491,14330539,61516459,262843051,1118481067,
 4742359723,20043180715,84467690155,355050629803,
 1488921995947,6230565890731,26021775190699,
 108485147273899]