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”).

A190472 as a simple table

na(n)
154000
281000
3135000
4148176
5222264
6518616
7574992
8686000
9862488
10949104
111423656
121715000
132122416
142401000
152662000
162963088
173162456
183183624
193472875
204394000
214444632
225256144
235788125
246169176
256655000
267304528
277884216

[54000,81000,135000,148176,222264,518616,574992,
 686000,862488,949104,1423656,1715000,2122416,
 2401000,2662000,2963088,3162456,3183624,3472875,
 4394000,4444632,5256144,5788125,6169176,6655000,
 7304528,7884216]