A170419 - 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

A170419 as a simple table

n	a(n)
0	1
1	26
2	650
3	16250
4	406250
5	10156250
6	253906250
7	6347656250
8	158691406250
9	3967285156250
10	99182128906250
11	2479553222656250
12	61988830566406250
13	1549720764160156250
14	38743019104003906250
15	968575477600097656250

[1,26,650,16250,406250,10156250,253906250, 6347656250,158691406250,3967285156250, 99182128906250,2479553222656250,61988830566406250, 1549720764160156250,38743019104003906250, 968575477600097656250]