A250908 - OEIS

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A250908 as a simple table

n	a(n)
1	4909
2	297873
3	18077319
4	1096982379
5	66566704705
6	4039362762435
7	245114118899485
8	14873861407326111
9	902566310928490467
10	54768961329136851033
11	3323455667098397402917
12	201671846608424737679469

[4909,297873,18077319,1096982379,66566704705, 4039362762435,245114118899485,14873861407326111, 902566310928490467,54768961329136851033, 3323455667098397402917,201671846608424737679469]