A273186 - OEIS

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A273186 as a simple table

n	a(n)
1	18426689288
2	20689194392
3	166940780112
4	3956149616328
5	53611112714103
6	562576374032408
7	11110701930362937
8	17146742033697471
9	24658089729767487
10	45512714439607464

[18426689288,20689194392,166940780112, 3956149616328,53611112714103,562576374032408, 11110701930362937,17146742033697471, 24658089729767487,45512714439607464]