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”).

A210429 as a simple table

na(n)
00
11
220
3189
41100
54615
615372
743219
8106808
9238581
10491380
11946913
121726308
133002987
145018092
158098695
1612679024
1719324937
1828761876
1941906533
2059902460
2184159855
22116399756
23158702875
24213563304
25283947325
26373357556
27485902665
28626372884
29800321555

[0,1,20,189,1100,4615,15372,43219,106808,238581,
 491380,946913,1726308,3002987,5018092,8098695,
 12679024,19324937,28761876,41906533,59902460,
 84159855,116399756,158702875,213563304,283947325,
 373357556,485902665,626372884,800321555]