A170467 - OEIS

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A170467 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]