login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A186880 as a simple table

na(n)
1322910
225381
346624
4148048
5310528
6414184
7571984
8801208
91130584
101842208
113014488
124813744
138147608
1413457800
1521637048
1637154419
1762117614
18101085745
19172069837
20287321977
21469126669
22793531357
231325629774
242174290240

[322910,25381,46624,148048,310528,414184,571984,
 801208,1130584,1842208,3014488,4813744,8147608,
 13457800,21637048,37154419,62117614,101085745,
 172069837,287321977,469126669,793531357,
 1325629774,2174290240]