A042246 - OEIS

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A042246 as a simple table

n	a(n)
0	25
1	51
2	484
3	535
4	1554
5	5197
6	6751
7	11948
8	30647
9	42595
10	201027
11	243622
12	4098979
13	24837496
14	78611467
15	339283364
16	1096461559
17	6918052718
18	111785305047
19	118703357765
20	586598736107
21	705302093872

[25,51,484,535,1554,5197,6751,11948,30647,42595, 201027,243622,4098979,24837496,78611467,339283364, 1096461559,6918052718,111785305047,118703357765, 586598736107,705302093872]