A250910 - OEIS

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A250910 as a simple table

n	a(n)
1	325277
2	147178899
3	66566704705
4	30104106257115
5	13614176466285177
6	6156816533805174849
7	2784331051704024117237
8	1259173248324767358662925
9	569442787308774307063155581
10	257522216934259282355558842095

[325277,147178899,66566704705,30104106257115, 13614176466285177,6156816533805174849, 2784331051704024117237,1259173248324767358662925, 569442787308774307063155581, 257522216934259282355558842095]