A211176 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

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”).

Other ways to Give

A211176 as a simple table

n	a(n)
1	125
2	625
3	23125
4	142805
5	210125
6	371293
7	7983625
8	9370805
9	25757525
10	50062025
11	120670225
12	489766225
13	881052625
14	1471596725
15	2307267625
16	2489771125
17	3145529225
18	3474871553
19	6975757441
20	7977558641

[125,625,23125,142805,210125,371293,7983625, 9370805,25757525,50062025,120670225,489766225, 881052625,1471596725,2307267625,2489771125, 3145529225,3474871553,6975757441,7977558641]