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”).

A033626 as a simple table

na(n)
1245333159
254
3245333213
420
5245333233
618
7245333251
816
9245333267
1014
11245333281
1212
13245333293
1410
15245333303
168
17245333311
186
19245333317
204
21245333321
222
23245333323

[245333159,54,245333213,20,245333233,18,245333251,
 16,245333267,14,245333281,12,245333293,10,
 245333303,8,245333311,6,245333317,4,245333321,2,
 245333323]