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”).

A181791 as a simple table

na(n)
1428571428571428571429
2571428571428571428572
3857142857142857142858
4363636363636363636363636363636364
5454545454545454545454545454545455
6545454545454545454545454545454546
7636363636363636363636363636363637

[428571428571428571429,571428571428571428572,
 857142857142857142858,
 363636363636363636363636363636364,
 454545454545454545454545454545455,
 545454545454545454545454545454546,
 636363636363636363636363636363637]