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”).

A114921 as a simple table

na(n)
01
10
21
32
44
56
611
716
827
940
1063
1192
12141
13202
14299
15426
16614
17862
181222
191694
202362
213242
224456
236054
248229
2511072
2614891
2719872
2826477
2935050
3046320
3160866
3279827
33104194
34135703
35176008
36227791
37293702
38377874
39484554
40620011
41790952
421006924

[1,0,1,2,4,6,11,16,27,40,63,92,141,202,299,426,
 614,862,1222,1694,2362,3242,4456,6054,8229,11072,
 14891,19872,26477,35050,46320,60866,79827,104194,
 135703,176008,227791,293702,377874,484554,620011,
 790952,1006924]