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”).

A294230 as a simple table

na(n)
11
22
34
420
540
661
762
882
9169
10172
11214
12874
131520
141652
152185
163221
174012
184669
1913165
2018922
2191142
22106222

[1,2,4,20,40,61,62,82,169,172,214,874,1520,1652,
 2185,3221,4012,4669,13165,18922,91142,106222]