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”).

A226174 as a simple table

na(n)
11
20
31
41
51
62
71
81
94
101
111
1210
131
140
155
165
171
188
191
208
215
220
231
2440
256
260
2721
283
291
3018
311
327
333
340
351

[1,0,1,1,1,2,1,1,4,1,1,10,1,0,5,5,1,8,1,8,5,0,1,
 40,6,0,21,3,1,18,1,7,3,0,1]