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”).

A044730 as a simple table

na(n)
117
2117
3179
4217
5317
6417
7517
8617
9717
10817
11917
121017
131117
141179
151217
161317
171417
181517
191617
201799
211817
221917
232017
242117
252179
262217
272317
282417
292517
302617
312717
322817
332917
343017
353117
363179
373217
383317
393417

[17,117,179,217,317,417,517,617,717,817,917,1017,
 1117,1179,1217,1317,1417,1517,1617,1799,1817,1917,
 2017,2117,2179,2217,2317,2417,2517,2617,2717,2817,
 2917,3017,3117,3179,3217,3317,3417]